# id Tech 4

> game engine developed by id Software

**Wikidata**: [Q306572](https://www.wikidata.org/wiki/Q306572)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Id_Tech_4)  
**Source**: https://4ort.xyz/entity/id-tech-4


## References

1. [Source](https://github.com/id-Software/DOOM-3-BFG/blob/master/COPYING.txt)
2. Freebase Data Dumps. 2013
3. [id Tech 4 - The Doom Wiki at DoomWiki.org](https://doomwiki.org/wiki/Id_Tech_4)