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Key

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Doomkeys
The three keycards, the skull keys, and the corresponding status bar icons.

A key is an item used to open designated locked doors or switches.

Description Edit

Doom2 yellow skull
The yellow skull key as seen in MAP28 of Doom II
CybAdded by Cyb

There are two types of key: electronic keycards, and skull keys which resemble glowing monochrome skulls. If the player encounters a locked door and attempts to open it without the correct key, the door will not open (and the player will receive a message to that effect). Once a key is obtained, any locked door of the corresponding color on the map can be opened. All keys are lost upon exiting a map.

Multiple keys of a given color may be picked up in the same level; the status bar will display whichever type was last taken. Doors in vanilla Doom are affected identically by keycards and skull keys. In stock maps, as a cosmetic guideline, a bar of coloured lights surround a locked door when keycards are used, while a column of coloured skulls are used for skull keys. (However, this is occasionally violated, such as in E2M3: Refinery which had keycard pickups but skull doorframes.)

In multiplayer deathmatch games, all keys are removed from each map, and players spawn carrying all keys.

Enhancements Edit

  • Ultimate Doom and Final Doom introduced "locked" switches, which cannot be activated without a key of the appropriate color. The feature, however, was limited only to buttons that open fast doors permanently. Such switches were already supported in Doom II but the level designers never used them in the game, except as "locked fast open door" without a "switch".
  • Boom introduced door types that require the key to be of the right type and not just the right color. Such doors are supported in most source ports.
  • Certain source ports also allow the use of locked doors requiring multiple keys, a situation sometimes approximated in the original games by placing several locked doors in front of each other (e.g. E2M6: Halls of the Damned). Another notable example of this phenomenon appears in MAP29: For We Are Many of Community Chest 3: the door to the level exit has all three skull key indicators flanking it, and the message, "You need all three keys to open this door," will appear if a player who does not possess all three keys tries to open the door. MAP19: The Citadel has a feature where the exit has three shafts, each with a different key type however in this case only 2 certain shafts of the three need to be opened as opposed to all three.
  • Doom 64 introduced a key-activated, or "locked", tripwire in MAP30: The Lair; the player needs to be in possession of the yellow key and pass through the tripwire in order to lower a switch on the wall. If the player does not possess the key the switch will not lower, the Marine will "Mmmph!" and the line "You Need The Yellow Key" will appear on the top of the screen.

DataEdit

Av map02 yellow card
The yellow keycard in MAP02 of Alien Vendetta
CybAdded by Cyb
Av map09 red skull
The red skull key in MAP09 of Alien Vendetta
CybAdded by Cyb
Blue keycard data
Thing type5 (decimal), 5 (hex)
Appears inShareware Doom
Registered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteBKEY
ClassKey
Pickup
Av map02 red card
The red keycard in MAP02 of Alien Vendetta
Red keycard data
Thing type13 (decimal), D (hex)
Appears inShareware Doom
Registered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteRKEY
ClassKey
Pickup
Yellow keycard data
Thing type6 (decimal), 6 (hex)
Appears inShareware Doom
Registered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteYKEY
ClassKey
Pickup
E4m1 nin and blue skull
The blue skull key in E4M1 of Doom
CybAdded by Cyb
Attack blue key
The blue keycard in ATTACK.WAD from the Master Levels
Ryan WAdded by Ryan W
Blue skull key data
Thing type40 (decimal), 28 (hex)
Appears inRegistered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteBSKU
ClassKey
Pickup
Red skull key data
Thing type38 (decimal), 26 (hex)
Appears inRegistered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteRSKU
ClassKey
Pickup
Yellow skull key data
Thing type39 (decimal), 27 (hex)
Appears inRegistered Doom
Ultimate Doom
Doom II/Final Doom
Radius20
SpriteYSKU
ClassKey
Pickup

Appearance statistics Edit

The IWADs contain the following numbers of keys:

Blue keycard

GameITYTD and HNTRHMPUV and NM
Ultimate Doom111111
Doom II141414
TNT: Evilution171717
Plutonia111111

Red keycard

GameITYTD and HNTRHMPUV and NM
Ultimate Doom777
Doom II111111
TNT: Evilution181818
Plutonia777

Yellow keycard

GameITYTD and HNTRHMPUV and NM
Ultimate Doom999
Doom II999
TNT: Evilution141414
Plutonia888

Blue skull key

GameITYTD and HNTRHMPUV and NM
Ultimate Doom151515
Doom II888
TNT: Evilution888
Plutonia111111

Red skull key

GameITYTD and HNTRHMPUV and NM
Ultimate Doom121212
Doom II888
TNT: Evilution101010
Plutonia121212

Yellow skull key

GameITYTD and HNTRHMPUV and NM
Ultimate Doom111111
Doom II888
TNT: Evilution888
Plutonia141414

Doom RPG Edit

Keycards appear in Doom RPG, but skull keys do not.

See also Edit

External links Edit

Items from Doom and Doom II
Health Health bonusStimpackMedikitSupercharge
Armor Armor bonusArmorMegaarmor
Powerups BackpackBerserkComputer area mapInvulnerabilityLight amplification visorMegaspherePartial invisibilityRadiation shielding suit
Keys Keycard • Skull key
Weapons FistChainsawPistolShotgunSuper shotgunChaingunRocket launcherPlasma gunBFG9000
Ammo Clip4 shotgun shellsRocketEnergy cellBox of bulletsBox of shellsBox of rocketsEnergy cell pack
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