3D Engine: id Tech 1

Group Description

Games using the id Tech 1 graphics engine (formerly known as the "DOOM engine") (original or modified) by iD Software, Inc..

Doom's source code was released to the public on December 23, 1997 under a license allowing noncommercial use; in 1999, it was re-released under the GNU General Public License. This led to the development of numerous source ports adding new features to the engine.

Some facts:
  • It was the first 3D game engine that allowed variable heights for floors and ceilings. However, it only allowed one floor or ceiling per area, making multi-storied levels impossible.
  • John Carmack experimented with 16 bit textures, but found the overhead unacceptable for the game.

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Selected Covers

1001 Nights of DOOM DOS Front Cover
Front cover for 1001 Nights of DOOM
D!Zone 150 DOS Front Cover
Front cover for D!Zone 150
Deathday Collection Windows Front Cover
Front cover for Deathday Collection
Chex Quest DOS Front Cover
Front cover for Chex Quest

Selected Screenshots

Baby Flemoids from the intro cutscene
Screenshot from Chex Quest
Title screen
Screenshot from DOOM
Title Screen
Screenshot from Chex Quest 2
Game group created by Riamus (8520), additional games added to group by WildKard (12985), Alsy (18020), Sciere (505796), erc (484), Kabushi (204279), Scaryfun (17606), JudgeDeadd (21572) and Ace of Sevens (4474)