Quake 4 in Quake 2 does exactly what it says on the tin.

If you've occasionally thought to yourself "I'd like to play the worst Quake game, but in the engine of the second-worst Quake game", then do I have the mod for you. "Quake 4 in Quake 2" takes Raven Software's somewhat maligned attempt to bring Quake into the noughties, and remakes all of its levels using Quake 2 assets... Read more.