A megawad is a fan-made PWAD that, according to the idgames archive definition[1], contains 15 or more levels, or nears the size of a commercial or registered IWAD.

A megawad may be the effort of one person, such as Gwyn Williams' Vile Flesh megawad, or of several people, such as the Doomworld community megawad project Community Chest 2. Whether a solo or group effort, high quality megawads require a huge time investment and can take months or years to create. A megawad may well represent a Doom mapper's collective lifetime works, such as Jan Van der Veken's Classic Episode, which is mostly a collection of levels previously released as standalone WADs.

Because creating a megawad is such a massive undertaking, quality megawads are few and far between. However, they are almost always the most anticipated PWAD releases, as well as the best remembered. Megawads can sometimes exceed the size of commercial and registered IWADs, but surely they are well over the size of the shareware IWAD.

Episode replacement

An episode replacement (or simply episode) is a set of fan-made levels containing a similar amount of levels as an episode of the game the episode replacement was made for. Therefore, most episode replacements include eight or nine levels, which is comparable to original Doom's episode structure of seven normal levels, a boss level, and a secret level.

Noteworthy megawads


Full game replacement

Episode replacement

Doom II

Full game replacement

Episode replacement

See also

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