Story-driven FPS inspired by WWII shooters from the 90's and early 2000's

Preset-oriented graphical launcher of various ported Doom engines (an alternative to ZDL)

Limit-removing enhanced-resolution Doom source port

A modern port of the original Quake engine

Conservative source port

Yamagi Quake II is an alternative client for id Software's Quake II

dhewm 3 is a Doom 3 GPL source port

A modernized source port of Hexen II

a modern QuakeWorld client focused on competitive online play