Official website: http://www.idsoftware.com/

 
8.5
Doom II: Hell on Earth

 
8.0
Quake: Mission Pack 2 – Dissolution of Eternity

 
8.0
Quake Live

 
9.4
Quake

 
6.6
MediEvil: Resurrection

 
5.1
Commander Keen Complete Pack

 
6.7
Hexen II

 
6.0
Hexen: Deathkings of the Dark Citadel