Doom modding

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Doom modding is the practice of creating modifications for games in the first-person shooter franchise Doom developed by id Software, such as the original Doom and its sequel, Doom II: Hell on Earth. These modifications allow players to design new levels, change graphics and sounds, and adjust gameplay mechanics. During the development of Doom, id Software designed the game to be easier to modify and change; game content was separated from the engine itself. Levels, textures, sounds, and other game data were packaged as WAD files. The name "WAD" stands for “Where’s All the Data?”. The WAD format made it possible to create and share new content without patching the game or writing code. There are two types of WADs: internal and patch WADs (IWAD and PWAD). An IWAD contains the data necessary to load the game, while additional PWADs contain add-on data, such as more character sprites, other weapons, and other content. Immediately following Doom's release in 1993, it attracted a sizeable following...

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