Half-Life 1 used a modified Quake1 engine, HL2 use the valved developed Source Engine.
PhillyMike101 wrote:It probably,does, I really havnt looked that much. Dont the other valve games use,the unreal engine? Also, didnt Soldier of Fortune 2 use it?
Message Edited by mInD_WaVe on 06-28-2005 01:21 AM