id Software, maker of cool violent games, e.g:
- CommanderKeen (hmmm not sure if this really counts as violent, and also it isn't strictly by id, and was created under the name Apogee -- JonathanWhiting) (It's got the 'Id' name all over it. Apogee published a number of Id's earlier games, including Keen and WolfensteinThreeDee.)
- WolfensteinThreeDee
- Doom
- Doom II
- QuakeGame
- QuakeTwo
- QuakeThreeArena
- Doom III
- QuakeLive
See JohnCarmack.