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Was IdTech used outside of Id? Or was it just a Doom series thing as of recently?
Replies
pavon • today at 5:23 PM
The relationship was different. When Id licensed an engine, they threw the code over the fence, and games that used it often heavily modified the engine for their purpose. In contrast Epic put a ton of effort into making the UT engine a polished development tool for creating games.
koteelok • today at 3:57 PM
Wolfenstein series and recent Indiana Jones game were made in IdTech.
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garciansmith • today at 4:21 PM
Skin Deep by Blendo games, which came out in 2025, used Id Tech 4 (despite its age). Super fun game with a ton of personality!
reactordev • today at 4:01 PM
IdTech 3-6 was used extensively by most FPS shooters back in the day.
Absolutely, the first versions until idTech 5 were open source and a number of important engines, like Source, derive from it.
Wikipedia actually has a family tree that's broader than I remembered: https://upload.wikimedia.org/wikipedia/commons/8/85/Quake_-_...
The CoD series, Source games (Half Life, Portal, Left 4 Dead), Titanfall, etc.