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This is a timeline largely created by the Doom RPG/Wolfenstein RPG series and its connected Doom 3/RPG UAC lore website.

Background

According to John Romero and Tom Hall, the B.J. Blazkowicz, Commander Keen, and Doom Marine from the classic ID series (not the later MachineGames reboots) are all connected in the same timeline.[1][2]

The connected UAC Website itself was a tie-in to both Doom 3 and the Doom RPGlore.[3][4]

Similarly the Doom 3 BFG Edition manual implies that the characters from several games are the same individual, and they represent his adventures):

Step into the boots of DOOM Marine and experience his adventures for the first time, or all over again.  Featuring enhanced versions of DOOM 3, DOOM 3: Resurrection of Evil and the all new DOOM 3: The Lost Mission, plus the classics DOOM and DOOM II, DOOM 3 BFG Edition is the consummate DOOM experience.

Interestingly the introduction seems to go as far to possibly suggest that the marine in Resurrection of Evil is the same marine as Doom 3 (which if true would have to suggest that Marine combat engineer actually did know the nature of the previous incident despite what the manual suggests). However, it also seems to imply that the Bravo Marine in Lost Mission is the same marine, but this is impossible as its timing overlaps with events of Doom 3 (only 6 hours into the invasion).

Some of this may have been ignored or or became obselete by new Bethesda games both Wolfenstein (New Order/Old Blood) reboot and new Doom reboot (it is also unclear how much of Doom 2016 even fits with Doom 3).

However, Quake Champions confirms that the original Doom Slayer is the same character from all (or rather most) of the previous mainline FPS games in the series (going back to Doom 1, Doom 3, and earlier Quake Arena games), but the Terror Billy from Machine Games series is from a seperate universe (and not same character as Doom Slayer's ancestor from Wolfenstein 3-D, but rather an alternate Earth equivalent). Quake Arena/Champions series takes place in the Arena Eternal which is a pocket universe connecting heroes from many universes, across time and space, in an overarching iD Multiverse.

Based on Tom Hall's comments on the Blazkowicz family history, and that Doom Guy is the son or grandson of Commander Keen, the timeline given in SNES Doom may still be valid in some way, see Doom Timeline (for the classic series timeline). But how this relates to overall timeline in Doom 3/Quake Series, etc, is not clear, barring explantions of time travel/paradox/time dilation/extreme longevity (medical advancements), or cloning of the character involved. It would also place Doom to Doom 64 (including Final Doom) before the events of Doom 3.

iD Multiverse

In addition Doom (2016) and Quake Arena/Champion series introduces that there is a multiverse of alternate universes with different earth histories. Characters from these universes are sometimes brought to the Arena Eternal to combat. Thus its possible for characters William J. Blazkowicz and Commander Keen's descendent in one timeline; B.J. Blazkowicz III (aka Doom Guy/Doom Slayer) (who has travelled between 'worlds and time') to meet William J. Blazkowicz ("Terror Billy") from the dark alternate reality (MachineGames) in a place outside of space and time. The exact timelines of these separate universes of the various characters visiting Arena Eternal is not known for every character. Some may even be from the same universes.

The main timeline in this article covers the one from the classic iD universe which ties Wolfenstein, Commander Keen and earlier Doom's together (based on Tom Halls comments and various game references). Certain dates for classic Doom are not entirely known, as to order of the games. Some dates could place Doom in early 21st century before Doom 3, but other details including what is said on Doom RPG website, and the Doom BFG Edition may place them as later in the timeline and claims its the same character (as also later confirmed by Tom Hall). Quake Champions still states that they are the same character and that he becomes the Doom Slayer (so while he may not be in his original universe in Doom 2016, he is still the same Marine who descended from William Blazkowicz in his original universe).

One thing of note is that while the universes are connected somehow and especially as seen in Quake III Arena/Quake Live/Quake Champions games. The existence of parallel universes seems to be a possibility as well, with players crossing over from their own universes/timelines which maybe the case for some elements of the Quake Arena games. So while this is a timeline following Allies winning WW2, there also appears to be a parallel alternate reality in the Id Universe where Allies lost (B.J. from the Allies lost reality is introduced into Quake Champions). It's hinted that the Doom Marine in Doom (2016) has apparently fought for aeons across Worlds and Time (indicating he is same main marine from the original Doom games, but has been fighting his war across dimensions and trying to stop more than one earth's attempts at accessing Hell). This is actually confirmed in Quake Champions backstory for the character (which uses much of the same backstory from Doom 2016).

For the timeline of the universe the Doom Slayer travelled to after his body was discovered in Hell, see Doom Reboot timeline.

Notes

  • The Doom RPG website and related UAC website Doom RPG took place in the same timeline and universe as Doom 1-3 (with Doom 3 apparently being a prequel to Doom I-II and Final Doom) each following the same Doom Marine character, according to the game the descendent of B.J. Blazcowicz who shared his ancestors name, and from those games tied into many other ID series including early Wolfenstein 3D up to Return to Castle Wolfenstein and Wolfenstein (2009) .  Quake III Arena further ties Doom into the Quake universe. This can all be considered the ID Timeline.
  • However, Tom Hall's comments (and Doom SNES manual) may place the classic Doom Series before Doom 3 chronologically. In which case its not clear how Doom 3 links up to earlier and later games in the series... as an interquel or sequel. Quake Champions confirms that protagonist is the same in all early Doom, Doom 3 and Quake games, and Doom 2016. However there is no indication of the direct order of the games, except that Quake Champions is a prequel to Quake III Arena. And that Doom Guy in 2016 game is 'latest' iteration of that character in thes series (with references to all versions of the character including Quake Arena/Quake Live, and Doom 3), with very specific references to his history in the original Doom.
  • Other connections exist between Doom RPG and Doom Resurrection as the character Sam appears in both, and his final outcome is shown Doom RPG. Garrett also appears or is mentioned in both series, and other references to Resurreciton within Doom RPG.
  • In Rage, Mixom is featured as a remnant of the old world, operating a chain of gas stations among other things. It is one of several hints within the game that seem to indicate it occurs inside the same universe as Doom 3, or at least one of the world's of iD's connected multiverse.
  • There is room for the possiblity that some of the 'shared universes' are not in the same timeline but parallel worlds to each other (this maybe suggested by the Quake series), and certain details in Doom 2016.
  • Hunter (character) from Quake III is the subject matter of a magazine known as Booty in Doom 3. Likewise Doom (character) in Quake III is the classic marine from the original Doom.
  • Doom 3 novels are generally considered to be an alternate universe retelling of Doom 3, however, it is possible that the stories are a prequel to Doom 3, as there are a number of key differences in the story. However, unlikely though. But the novels were certainly referenced and influenced elements of Doom RPG series. Some dates are included in this timeline for completeness.

ID Universe timeline (Doom 3 as sequel)

(Spear of Destiny/Wolfenstein 3D/Mission Packs, RTCW/Wolfenstein, Doom/Doom II/Doom 3/Doom RPG/Doom II RPG/Doom Resurrection, Orcs & Elves I/II[5], Quake III Arena/Quake Live/Quake Champions, and Commander Keen)

Note: If the original dating in Doom Timeline and implied by Tom Hall's comments are taken into consideration. Doom 1-2 occur almost a century before Doom 3. But the same character is involved in both, and somehow experiences on Earth itself are apparently classified/hidden from the majority of the public (as is stated in Doom 64's manual, however unlike that seems to be), however technically possible as Doom 2 game takes place in a small part of the earth shown (but Final Doom confirms earth was saved from total invasion). See also Doom Timeline.

  • 2-1,000,000 B.C.[6] Ancient Martian civilization is built.
  • 400,000 B.C. - Height of the Martian civilization.[7]
  • 90,000-10,000 - Ancient languages develop on earth, some may have originated from Mars.[8]
  • 4000 B.C. - Swastikas appear on ceramics in Iran.[9]
  • 100 A.D. - Germans begin using runes for magical and ordinary writing. They were able to use runes as a method of gaining insight into the future or the unknown by supernatural means (see Thule).[10]
  • 918 - German Prince Heinrich I begins studying the Thulian Mystery Occults, and resolves to forge his own empire at the expense of the existing Frankish dynasty.
  • 933 - Heinrich I unleashes his army of undead on the invading Magyars, defeating them at the Battle of Riade.
  • 943
  • Unknown Date - The Spear of Destiny is found under Castle Wolfenstein in the catacombs.
  • August 15, 1911 - William "B.J." Blazkowicz is born in America (possibly in Milwaukee).
  • 1918 - End of WWI, the Spear of Destiny is one of the national treasures taken from Germany, and brought to a museum in Versailles, France.[11]
  • 1929 -Geneva Convention bans chemical weapons.[12]
  • 1933
    • Adolf Hitler becomes Chancellor of Germany.
    • Albert Einstein lives in California, but becomes a target of the growing Nazi might.[13]
  • 1934 - The Totenkopf instituted by Heinrich Himmler becomes the symbol of recognition and loyalty to Hitler and his ideals. These were used on rings adapted Pagan Germanic mythology from Thor, and Wotan's spear.
  • 1937
    • Deathshead begins research into Super Soldiers.
  • 1938
    • As early as 1938, it was concluded that Operation Resurrection would require the development of an advanced synthetic humanoid host.
    • A very good year for wine, as the 1938 Latour proves.
  • 1939
    • Nazi invasions begin in Europe. Nazi Tanks roll into France, Hitler's armies retrieve the Spear of Destiny from Versailles, and bring it to Castle Nuremburg.[14]
    • Einstein writes a letter President Franklin D. Roosevelt warning of German's advances in physics and warning of the possibility of Nazis developing a uranium bomb.[15]
    • Operation: Resurrection is put on hiatus, after some major disaster at the Holstein dig.
  • 1940
  • 1941
    • Hans von Schlieffen and a group of Storm Troopers travel to the U.S. to regain the spear. Hitler's forces recapture the Spear of Destiny again, but only the Axe escaped to the Nazi's Secret Scandinavian Base (built to carry out atomic research). Three intelligence agents are killed trying to infiltrate Hitler's headquarters. Admiral Powell of the U.S. navy sends B.J. to recover it.[18]
  • 1942
    • January 10, 1942: Nazis begin working on human gene modification in an attempt to create a super soldier.
    • January 17, 1942: Experiments are successful. Soldiers begin to smuggle out super soldier cocktails to enhance themselves and sale on the Black Market.
    • February 4, 1942: Scientist tries one of the cocktails, and it works.[19]
    • Sergeant B.J. is sent on a mission to stop Nazi forces near Castle Wolfenstein.
    • Olaric awakens from his tomb, kills the Nazis who awakened him, and is defeated for the first time by B.J.
    • Marianna Blavatsky is defeated for the first time, but she later recovers.
    • B.J. defeats Doctor Schabbs for the first time (or one of his relatives).
    • The Axis empire is at its height. While the Soviets battle the Axis in the East the remaining Allied forces damage and distract the Axis in the West until an amphibious liberation of Europe can be mounted.
    • The Allies concentrated their efforts in North Africa. Here the Axis Forces are ken to inflict further defeats and seize control of the oil-rich Middle East. The sands of the Sahara Desert is the first battle field, and hopefully not the last.
    • Over the course of a month, B.J. has his Original Encounter with Hans Grosse at Dresden, early Eisenfaust encounters, and battle with Adolf Hitler at Castle Wolfenstein. False end to the war.[20].
    • July 14, 1942 - Operation Return to Castle Wolfenstein, Letter sent out to OSA agents.[21].
  • 1943
    • 7 February, 1943
    • March 9, 1943 - The last Dark Knight is discovered. Zemph begins traveling to Castle Wolfenstein.
    • March 11, 1943 - Zemph arrives at Castle Wolfenstein.
    • March 12, 1943 - Agent Blazkowicz is reassigned to OSA. He and Agent One are sent from Libya to capture Helga von Bulow in northern Egypt.
    • March 13, 1943
      • Finished repairs and calibrations on generators at the dig site.
      • An attempt on Hitler's life is made. Henning von Tresckow asked Col. Heinz Brandt to take brandy on Hitler's plane. The attempt failed due to a faulty detonator.[24]
    • The Axis High Command has ordered a strategic withdrawal from the 'remote and ultimately insignificant' North African theatre and their forces were busy fortifying the Atlantic coastline in expectation of Allied raids and an eventual evasion.
    • The Allies had much work to do before they could hope to mount a successful invasion attempt and had to gain expertise in both beach and parachute landings. Clearly, the next phase of conflict was critical.
    • March 14, 1943 - Blazkowicz and Agent One reach Ras El-Hadid. After failing to capture Helga von Bulow, they steal a Ju52 transport plane and fly to Castle Wolfenstein in northern Germany.
    • March 15, 1943 - Blazkowicz and Agent One are shot down over Castle Wolfenstein. They are captured by Helga von Bulow. Agent One is sent to Doctor Zee for torture and interrogation.
    • March 16, 1943 - Disaster at the dig site. Otto missing. The Royal Air Force raids Berlin, causing large fires and dozens of civilian casualties.
    • March 17, 1943 - Death of Agent One. Blazkowicz escapes Castle Wolfenstein and fights his way to Wulfburg Church. Helga von Bulow Summons Olaric. She kills Zemph and is in turn killed by Olaric. Blazkowicz confronts and kills Olaric (for the second time who had become more ghost like in his new form), and retrieves the Dagger of Warding, a mysterious Thulian artifact.
    • March 20, 1943 - Blazkowicz infiltrates Deathshead's rocket base at Katamarunde near the Baltic Sea, destroys an experimental V2 rocket and a prototype Mark I radar array.
    • March 21, 1943 - Blazkowicz infiltrates Katamarunde Airbase, steals the Bachem Ba317 Kobra plane, and flies it to Malta. That night, he is deployed to Kugelstadt, where he assists in the defection of one of Deathshead's research scientists.
    • March 22, 1943 - Blazkowicz infiltrates Deathshead's Secret Weapons Facility below Kugelstadt. Later in the day he is deployed to Norway, where he infiltrates Deathshead's X-Labs and destroys his first Übersoldat. Deathshead escapes and is promoted to General.
    • March 23, 1943 - Blazkowicz is deployed to Paderborn in the evening. He assassinates top officers of the SS Paranormal Division in Paderborn and in Chateau Schufstaffel. Blazkowicz infiltrates the dig site and returns to Castle Wolfenstein. Marianna Blavatsky resurrects Heinrich I to become the New Reich leader. Blazkowicz defeats the dark prince and terminates Operation Resurrection.
  • 1944
    • July 20, 1944 - An agent attempts to kill Adolf Hitler, with a bomb.[25], however, Hitler survived the attempt.
    • The Spear of Destiny is recaptured by Hitler. Learning from his past mistakes, Hitler has expanded his subterranean command bunker beneath the chancellery in Berlin so that he can keep the Spear of Destiny nearby and well-guarded. Calling upon the dark forces of the occult, he summons Abigor, Hitler can see into the future and obtain the plans to future weapon systems.[26] B.J. is sent to retrieve it again. He discovers, that the Nazi's are working with magic that allows them to see the future (even going as far to steal technology from the Union Aerospace Corporation). B.J. fights his way defeating Hitler's forces, but is transported to the Future onto a UAC Mars Base (c. 2140s). He defeats the Devil Incarnate and escapes. This apparently isn't the last time the Nazi's recapture the spear however.
    • Since 1944 global warming begins changing the Earth until it is unrecognizable in 2144.[27]
    • A sci-fi movie "To Serve Man" about the 1950's is made.[28]
  • 1945
    • February 1945
      • B.J. stops the German's deadly gas manufacturing.
      • B.J. destroys Operation Eisenfaust completely.
      • Blazkowicz defeats Hitler again.[29][30] B.J. became a hero, and world famous, and met the President. The war was thought to be over, but the war continues...
    • Spring 1945 - To prevent allies from capturing the Totenkopf rings, Himmler ordered that Shrine at Wewelsburg castle be blast-sealed into the side of the mountain near the castle.
    • April 28, 1945 - The Spear of Destiny is finally captured by Allied Forces hopefully for the last time from Nuremberg.[31] It is said General Patton discovered the spear, and the downfall of Germany began that day.[32] On the same day Hitler committed suicide in the Fuhrerbunker with Eva Braun.[33] It was fabled that the U.S. was destined to succeed Germany as the New World Power once ownership of the spear changed.[34]
    • Operation Nichtsonne
    • The war ends in Europe.
    • October 23, 1945 - B.J. Blazkowicz's ID expires.[35]
  • 1951 - Blazkowicz gets married to Julia Marie Peterson.
    • His son Arthur Kenneth Blazkowicz is born.
  • Date Unknown
    • - Arthur becomes a television host and changes his last name to Blaze.
    • Arthur marries Susan Elizabeth McMichaels.
  • 1982 - William Blazkowicz II is born.[36]
  • 1990-1991
    • William Blazkowicz II (Billy Blaze) age 8 (Billy Blazkowicz shortened) using the alias of one of his grandfather's old WW2 buddies Commander Keen, saves Earth from many threats, even traveling to Mars.
  • 1993 - The date that original Doom was released, its setting and scenario is strangely similar to events that will happen in the future at least a hundred years later.[37][38]
  • 2015 - Union Aerospace Corporation is founded by Thomas Kelliher on earth..[39]
  • 2018 - The UAC and U.S. Space Marines and military builds the first base on Mars, and its moons, and several other planets. It quickly becomes a multi-planetary conglomerate consisting of many offworld moons and planetary research stations including Tei Tenga, Jupiter, Venus, Neptune, Amun and Saturn (and Europa).[40]. The military, UAC's biggest supplier, begins using the remote facilities on Phobos and Deimos to conduct various secret projects, including research on inter-dimensional space travel.[41]
  • 2019 - The Marine (B.J. Blazkowicz III) assaults a superior officer. The officer was shipped to Pearl Harbor, and Blazkowicz is transferred to Mars, home of the Union Aerospace Corporation.
  • 2021 - July 1 - DOOMNL 01-D19305-1C is published.[42]
  • 2022[43]
    • March 15 - Mars receives a message from Phobos base stating that the base is under attack and requesting backup.[44]
    • A few hours later, the marines land and try to stop the invasion. The Marine is ordered to stay behind and protect the perimeter. The marine forces are wiped out or turned into monsters. Planetary authorities send the final Marine the new DOOMNL 01-D19505-1D replacing earlier manual (now including briefing for the Marine, and images from the invasion captured by remote video cameras. The video data was computer analyzed by the UAC and the results are provided "here and only here"). The Marine leaves the escape pod vowing to destroy the invasion force.
    • Doom begins
    • Doom II begins
    • No Rest for the Living begins.
    • The Plutonia Experiment begins.
  • 2023 (or at least a year after Plutonia Experiment[45])
    • TNT: Evilution begins.
    • The fatigued marine is decommissioned, and the military DOOM Episodes are classified. The UAC's bases are sealed, and quarantined by radioactive bombardment. All incursions on Earth are covered up, and its virtually unknown by the public at large.
  • 2025 - UAC further makes its name in the famous Joint Mars Expeditions in an attempt to recolonize the planet.[46]
  • 2078 - Destruction of the old Pentagon. New building designed to replace it in Wyoming.[47]
  • 2095 - Great medical breakthroughs are developed over the next half century.[48]
  • 2104 - The explorations of the caverns in 2104 led to the discovery of ancient artifact codenamed U1, the Soul Cube, along with stone tablets written by the ancient Martian civilization.
  • 2112 - First structure of the first permanent Martian settlement is built, in what is known as Sector 4 (it is the oldest human colony on the planet).[50]
  • 2114
    • Dr. Jensen received his Ph.D from Union States Institute of Technology, Northeast (USITNE).[51]
    • October 10, 2114 - Birth of Ted Brown II.[52]
  • 2115 - The initial chamber proving life once existed on Mars was discovered in 2115. It leads into what is now known as Site 1.
  • 2120 - Construction on Mars City begins.
  • 2122 - Dr. Kelvin begins working for the UAC.[53]
  • 2126 - Military Council Ruling is inacted.[54]
  • July 17, 2130 - The Alpha Labs are built.[49]
  • 2135[55]
  • 2138 - Dr. Jensen begins working for UAC's Advanced Research Department.[56]
  • 2142 - Dr Jensen begins working on Mars.[57]
  • 2143
    • Dr. Geurard joins the teleportation research team.[58]
    • December 22, 2143 Chainsaw scheduled for refurbishment the following year. Zachary wishes everyone Happy Holidays.
  • 2144[59]
    • Union Aerospace Corporation updates their website.[60]
    • The military, UAC's biggest supplier, has used the remote facilities on Phobos and Deimos to conduct various secret projects, including research on inter-dimensional space travel.[61]
    • January 8, 2144 Director Castle orders everyone not to tend to anything in the Atrium 02 until they find out what has killed everything.
    • January 12, 2144 - Xanax captures specimens following primary portal grid powerup. He successfully suspends them in stasis for further study.
    • January 13, 2144 - Zanax at the Lunar Outpost receives confirmation from Dr. Geurard on Mars that he has encountered similar fauna in his research.[62]
    • January 16, 2144
      • M. Burns asks Chris to see what can be done about a unit. He couldn't touch the Echo Sierras until his new parts arrived from Earth.
      • J. Klein sees pressure anomalies in the coolant tanks at Cichus, caused by recent power spikes.
    • January 21, 2144 - Zachary looks for inconsistent behavior in computers at Tychus after reports.
    • February 4, 2144 - Zachary can't calibrate flow meters until Mixom tech gets down and serves a tank.
    • February 5, 2144 - Zanax at Keplar Site finds that the creatures are highly resistant to pain and injury, which has made specimen acquisition troublesome. It has been difficult acquiring them without killing them.
    • February 6, 2144 - Zanax research continues. He discovers from field reports that the creatures exhibit varying tolerance for different types of weapon attacks. He indicated that further research would be needed to discover most efficient way of subduing the creatures.
    • February 7, 2144
      • Third repair work order put in for the elevator in Keplar Site. It still hadn't been fixed.
      • X. Zanax on the Lunar outpost classifies specimen as an "imp" or possibly a "Gwocklego" according to his assistant.
    • February 8, 2144 - Zanax discovers that imp is particularly resistant to stasis suspension, but system is stable, but that that researchers should be careful when handling..
    • February 12, 2144 - J.Klein sees intermittent heavy loads on the power griad, but isn't able to find the source yet.
    • February 26, 2144 - Scientists in the Greenhouse at Keplar Site on the moon manage breakthroughs.
    • Febrary 27, 2144 - Cargo personnel begin reporting that their Manifest Database is having issues. A new power supply is ordered to see if it will fix the problem.
    • March 3, 2144 - R. Zachary installs new systems on the UAC Lunar Outpost, and Rhoomba 5000.
    • March 10, 2144 - Upgrades completed by Zachary. Everything checks out ok.
    • March 17, 2144 - Strange things begin happening to machines on the Lunar Outpost.
    • March 24, 2144 - Air, water and septic life supports still functioning but odd data reports. C. Sukut calls in a specialist. Zachary has gone missing.
    • April 27, 2144 - Dr. Kellyn McDonald's folder is checked and opened by Betruger, and then closed and locked.[63]
    • October 10, 2144 - David Kramer forgets to send a birthday present to Ted Brown II.
  • 2145
  • 2146[74]
    • May 1, 2146, an orbital probe recorded a faint unidentified signal broadcasted from the abandoned Mars Site 1 complex.
    • August 6, 2146: Date tag on the new Mars mission Goals & Safety video.
    • August 8, 2146, the UAC board of directors announced the renewal of the Mars program, now led by Dr. Elizabeth McNeil, an ex-colleague of Betruger, who had transferred off Mars days before the outbreak and was the original one who requested Councilor Swann's presence on Mars. McNeil's main objective was to continue the experiments on Mars and discover what Betruger unleashed.
    • September 12, 2146: Elizabeth McNeil welcomes personnel to the Site 1 Expedition.
    • November 20, 2146 - Stan Blazkowicz travels to Tycho Station and saves the universe from demons, at one point even defeating the Harbinger, another Cyberdemon his ancestor had defeated centuries before.
    • November 27, 2146: UAC Lead Technology Officer releases the Ionized Plasma Levitator Briefing video.
  • 2147
    • March 17, 2147 - Resurrection of Evil begins.
  • Date Unknown
    • Doom 64 - A relay satellite activates after years of bombarding by neutrons and sends a final message to Earth showing energy signatures unlike anything sampled before coming from the abandoned installations. The classified archives were opened it was discovered that a single entity with vast rejuvenation powers, masked by the extreme radiation levels, escaped detection. It systematically brought he decaying dead back to corrupted living tissue (into something stronger and more vicious than before).
    • As the only experienced survivor, the tough Marine (B.J. Blazkowicz III)'s commission was reactivated and given the order for Merciless Extermination. He returned to a space installation he once saved from demons, forced to kill the beasts again when they are resurrected, he travels back to their world (Hell) where he kills the Mother Demon. He decided to remain in hell to continue to battle the forces of hell to ensure that no demon arises again.
Outside of Time and Space
  • The Arena Eternal is an extradimensional structure created by the Vadrigar and populated with the greatest warriors in all of time and space. The Doom Marine, and two other survivors of the Phobos invasion, Crash and Phobos, were brought from their respective eras to fight.
  • According to Quake Champions; Ranger the character based on the player in Quake 1 has a photo from 1978, that is 30 years old. Placing Quake in 2008. The first Slipgate may or may not have sent him one hundred years into hte future, to 2108. He is also a Vietnam veteran.
  • The Global Defense Force, or GDF, is a supranational paramilitary organization, formed in the mid-21st Century from a large pool of national military organizations and relief agencies, to combat increasingly severe weather events, other natural disasters and terrorist campaigns, as well as to keep the peace in historically unstable regions such as the Middle East. It was created shortly before the Strogg invasion of Earth.

The GDF is a fencible military, as opposed to the Space Marine Corps which is expeditionary.

  • The Strogg invaded Earth in the mid-21st Century in search of biological components. The Strogg invaded the Earth in the middle of its 21st Century period, taking its inhabitants completely by surprise. Their large invasion fleet arrived in orbit over the world seemingly out of nowhere, and its ground forces quickly proved themselves a dire threat to the existence of Mankind. By the mid-21st century humanity is fighting for its survival against the hostile alien threat seeking to end the Strogg once and for all by invading their homeworld.
  • How Quake fits into the shared universe is not clear, and there is little work done collecting the dates and timeline from that game and comparing it to Doom series (other than Quake 2/4 appears to take place during the mid 21st century, and majority of Doom takes place in the 22nd century), but could also take place in parallel universes that connect to each other. Doom III Arena's mentions that the Eternal Arena was built "millennia ago" and ties together Doom, Quake 1, and Quake 2 via several characters including Doom, Phobos, Crash, Ranger, Bitterman, Major Wayland, Tank Jr, and Wrack.
  • In addition there are smaller side and alternate timelines from the novels. Note: Bethesda's latest Wolfenstein reboot series The Old Blood and the The New Order which follows Nazis winning WW2 is set in its own timeline as well, but likely doesn't connect to any Doom iteration universe (at least as of yet there is no evidence of space Nazi influenced UAC in the newest game.
  • Note: It appears that Doom Classic has to take place "after" Doom 3 in the "iD timeline"  due to the fact that Doom 3 marine has the same backstory as classic Marine. Whereas placing it as a prequel set in the early 21st century would seemingly cause a number of issues (assuming time travel/time dilation/etc is not involved). Noting that Dafydd novels did in fact introduce extreme 'time dilation' (adding 500 years between Doom 2 and the final novel), and Doom 2016 definitely brings up time travel, but if set after Doom 64 would likely cause issues (if Doom 64 is set before Doom 3), unless Doom 64 took place after Doom 3. For it to be the same Marine would make that marine over a hundred years old (or least had to have jumped forward in time via time dilation during his travels). It would also have to assume he either assaulted an officer again, or that the new command decided to return him to Mars for officer he assaulted over a century before. Also Deimos still exists at the time of Doom RPG and there are other nods alluding to Doom Classic will occur later. Lastly, 2018-2022 classic timeline dates, predates the joint UAC/Military 2025 Mars Expeditions mentioned in Doom RPG website. Unless there was an even earlier expedition, and the 2025 date was a second expedition.
  • Sam a droid that appears in Doom Resurrection, also appears in Doom RPG. His final outcome is confirmed in Doom RPG.
  • B.J. Blazkowicz from the Germans won 'alternate universe' appears as a character in Quake Champions. The game is a prequel to Quake III Arena and Quake Live[75], however the exact placement or order of the games it covers and draws from is unclear. It has its own lore[76], and is set across 'dimensions'.

iD Universe timeline (Doom 3 as Prequel to Doom)

If Doom follows Doom 3, then the date given in the original manual of classic Doom, would place the events of the game roughly 3 years after Doom 3. If that was the case, here is the order of events following Doom 3.

  • 2145
    • November 15
      • B.J. Blazkowicz III arrives on Mars on Transport 4409 as punishment for assaulting a superior officer for ordering his soldiers to fire upon civilians, and to replace another soldier. He and his body cast were shipped to Pearl Harbor, while the Marine were transferred to Mars, home of the Union Aerospace Corporation.[77][78]
  • 2148
    • Doom - The Doom Marine (B.J. Blazkowicz III) spending three years battling demons, and at Mars radioactive waste facilities is sent to Phobos after a distress signal is sent. He is forced to again fight demons on Phobos, Deimos, and then in Hell itself.[79]
    • Doom II - The Doom Marine heads to Earth from a portal in Hell and sees that the Demons have begun conquering Earth.
      • Master Levels (Teeth) - The U.A.C. Marine is accidentally lost on Titan, the moon of Saturn.
      • No Rest For the Living - The Doom Marine stops another invasion by traveling to a Hell pocket universe to destroy another Cyberdemon from amassing an army.
    • After Hell's catastrophic invasion of Earth, the United States took steps to try to prevent another invasion from occurring. The old UAC corporation was re-founded, though it survived most its top level management had destroyed. It was turned over to strict government supervision, under completely new management (Final Doom).
    • It began to research tools and technologies to prevent future invasions from happening again (The Plutonia Experiment). With Earth invasion stopped, the remaining demons were gradually exterminated by mopping-up squads. The new UAC began working on quantum Accelerator devices, intended to close interdimensional gates at a distance and prevent future incursions. Scientists began to work with Gate technology again in order to learn how to close the Gates. This drew attention from beings from Outside. A new Terror began as a Gate was opened up in the research complex. But the scientists were ready and closed the gate with their Quantum Accelerator Device, closing it instantly and permanently. The next day another invasion struck using seven Gates, while six of the gates were closed, the marines were not able to hold out, and everyone was killed.
    • The Marine who had been put on leave on a beach near by the complex was called in by the government to fight back and recover the Quantum Accelerator and destroy the Gatekeeper guarding the last Gate of Hell. Being the only Marine left with no backup for an hour or two, he had to stop the Demon's plans or it would be too late. He took on the horde, to stop the Gatekeeper, and prevent another demonic invasion of the world.
    • The new government supervised UAC set up a new base on one of the moons of Jupiter (Io), as it continued its research into matter apportation and transportation under increased safety measures. They had hoped increased distance would enhance Earth's safety if something went wrong, and marines were stationed at the base, ready for anything (Final Doom: TNT: Evilution).
  • 2149
    • The Invasion of the Jupiter moon base began not long after the opening of the first Gate. The United States Space Marine Corps were prepared and won the battle. Research continued but less cautiously...
    • Several months later, believing that yearly supply ship was on its way, were caught in surprise as Demons attacked and invaded from space via flesh and metal mother ship. They were unprepared to fight an attack from above.
    • The Marine, now the marine commander was the only survivor left, as he was miles away from the base taking a stroll on the moon's surface at the time. He heard the sound reminding him of the nightmares he still had (from his previous battles with the demons). He returned to the base to discover his men dead, and vowed to take revenge (TNT:Evilution).
    • The Marine's (B.J. Blazkowicz) fatigue was enormous, his price for encountering pure evil (no mortal was meant to experience hell). The military doctors submitted him tests and treatments, which were of little help. The nightmares continued. In the end by planetary policy, all was classified and sealed. The installations were sealed, and abandoned, and absolute quarantine guaranteed by apocalyptic levels of radiation (Doom 64).

References

  1. https://arstechnica.com/gaming/2018/01/id-software-co-founders-confirm-that-its-biggest-games-heroes-are-all-related/
  2. https://twitter.com/ThatTomHall/status/958352500431572992
  3. http://web.archive.org/web/20051230053734/http://www.doomrpg.com/n.x/UAC/Home
  4. https://web.archive.org/web/20051217114004/http://www.doomrpg.com/n.x/Doom%20RPG/Home
  5. According to a book discovered in Wolfenstein RPG
  6. Worlds on fire, pg 155
  7. Worlds on Fire, pg 22
  8. Worlds on Fire, pg 175
  9. Mission 2: Return to Danger guide, pg 3
  10. Mission 3: Ultimate Challenge Hintbook, pg 4
  11. Spear of Destiny, hintbook, pg3
  12. Wolfenstein Hintbook, pg 61
  13. Mission 2: Return to Danger guide, pg 3
  14. Spear of Destiny, hintbook, pg 3
  15. Mission 2: Return to Danger guide, pg 3,4
  16. intro cutscene, RTCW
  17. Spear of Destiny
  18. Mission Pack 1 takes place over a year after Spear of Destiny
  19. Exact date for Wolfenstein RPG is not given, but appears to be a prequel to RTCW, with elements between Wolfenstein 3D/Spear of Destiny. As there are some characters who will return in RTCW, it can only be assumed they were 'defeated', but not fully killed. Although all enemies tend to either 'explode' or their corpses can be destroyed. It likely has to take place after original Spear of Destiny. Note: While Wolfenstein RPG is tongue in cheak, Doom RPG tends to take its 'lore' more seriously and definitely ties it into the greater Doom timeline
  20. Jaguar version ending mentions the events of Wolfenstein 3D took place over the course of a 'month'
  21. Welcome Back, Soldier
  22. RTCW: Tides of War manual, pg 1
  23. Operation Ressurection intro
  24. Mission 2: Return to Danger guide, pg 4
  25. a depiction of the real-life attempt on Hitler's life, Spear of Destiny Hintbook, pg 5
  26. Ultimate Challenge. Date unknown but seems to correspond with the Furherbunker and Hitler's last location towards the end of the war.
  27. Worlds on Fire, pg 18
  28. Worlds on Fire, pg 22. The episode of Twilight Zone actually aired in 1962
  29. Spear of Destiny, hintbook, pg4 (note exact date is not given, and could take place in previous years), but Platinum Edition gives a date
  30. (Wolfenstein 3D Classic)/Wolfenstein/Graphic Novels
  31. Spear of Destiny hintbook, pg
  32. Wolfenstein 3D Classic
  33. Spear of Destiny, hintbook, pg
  34. Wolfenstein 3D Classic
  35. RTCW manual, pg 2
  36. Approximately based on release date of first game
  37. A question asked, and the code to a door in Doom RPG. See also David Whitlark's communications.
  38. David Whitlark discovers a copy of Doom, and doesn't get his work done by Tuesday. He says that it must be at least 100 years old. He is surprised that the setting and scenario is similar to their own. He finds it funny. He also mentions they are making Doom for the cell phone. Considering that Doom II RPG takes place in 2145, David is probably off by about 50 years in his dating.
  39. http://web.archive.org/web/20051230053734/http://www.doomrpg.com/n.x/UAC/Home
  40. The UAC is a multi-planetary conglomerate with radioative waste facilities on Mars and its two moons, Phobos and Deimos.
  41. Doom Manual: For the last four years the military, UAC's biggest supplier, has used the remote facilities on Phobos and Deimos to conduct various secret projects, including research on inter-dimensional space travel.
  42. Midway Doom SNES manual
  43. Midway Doom SNES manual
  44. Midway Doom SNES manual
  45. Final Doom manual
  46. http://web.archive.org/web/20060207025217/http://www.doomrpg.com/n.x/UAC/Home/Corporate/About
  47. Doom 3Worlds on Fire, pg 125.
  48. Maelstrom, pg 34
  49. 49.0 49.1 Doom 3
  50. Doom RPG
  51. http://web.archive.org/web/20060202130951/http://www.doomrpg.com/n.x/UAC/Home/Corporate/Who%60s%20Who
  52. He didn't get a gift last year before the game, he wated an X-Cube 46. It may be Ted Brown's latest birthday at the time of Doom RPG. In Sector 2 it discusses that David Kramer got him a present.
  53. Doom RPG
  54. Worlds on Fire, pg 100
  55. Maelstrom, 17, 61
  56. Doom RPG
  57. http://web.archive.org/web/20060202130951/http://www.doomrpg.com/n.x/UAC/Home/Corporate/Who%60s%20Who
  58. Doom RPG: Dr. Jensen had me investigate Dr. Geurard's employment history. What I found was strange. Geurard was supposedly hired onto the teleportation research team 2 years ago, but UACHQ has no record of him."
  59. Doom: Worlds on Fire chapter 1
  60. http://web.archive.org/web/20060202130951/http://www.doomrpg.com/n.x/UAC/Home/Corporate/Who%60s%20Who
  61. Doom Manual: For the last four years the military, UAC's biggest supplier, has used the remote facilities on Phobos and Deimos to conduct various secret projects, including research on inter-dimensional space travel.
  62. Doom II RPG, a reference between the two games
  63. Doom 3 Worlds on Fire, pg 39
  64. http://web.archive.org/web/20060202130951/http://www.doomrpg.com/n.x/UAC/Home/Corporate/Who%60s%20Who
  65. Maelstrom, pg 84
  66. Maelstrom, 262, 263
  67. This was likely around April or May, assuming Doom RPG is in November-December 2145 as per the dates of the website: http://web.archive.org/web/20060202130951/http://www.doomrpg.com/n.x/UAC/Home/Corporate/Who%60s%20Who
  68. Doom Resurrection
  69. rough estimate he says he has been working for just over a year on the moon.
  70. http://web.archive.org/web/20040716034658/http://www.ua-corp.com/
  71. http://web.archive.org/web/20060104031037/http://www.doomrpg.com/n.x/Doom%20RPG/Home
  72. Doom RPG, the exact date is not clear, but it is at least suggested off of Ted Brown II's birthday.
  73. One character predicts that this invasion is probably going to spread to the entire planet, this may be a reference to the events of Doom 3 a few months later, or to later Doom I events
  74. Doom II RPG comic
  75. https://i.redd.it/gvuwg8rbxwmz.png
  76. http://www.penguinrandomhouse.com/books/564078/quake-champions-players-journal-by-prima-games/9780744018462
  77. http://web.archive.org/web/20040716034658/http://www.ua-corp.com/
  78. Doom/Doom RPG/Doom 3 information, see also Doom RPG website, and Doom manual
  79. The Story So Far Doom: "Three years ago, you assaulted a superior officer for ordering his soldiers to fire upon civilians. He and his body cast were shipped to Pearl Harbor, while you were transferred to Mars, home of the Union Aerospace Corporation."