The old Team Fortress 2 source code ported to Source SDK 2013

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

Continuation of NetherSX2 based on AetherSX2 4248

Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.

Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.

DSi Menu replacement for DS/DSi/3DS/2DS

Xash3D FWGS engine

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses

DOOM III/Quake 4/Prey(2006) GLES on Android/Windows/Linux, DOOM 3 BFG/The Dark Mod/RTCW/Quake 1 2 3/GZDOOM/ETW/RealRTCW/OpenJK/SeriousSam/Skin Deep/Quadrilateral Cowboy/Icarus Starship Command Simu…

Counter-Strike reverse-engineered.

Team Fortress Classic reverse-engineered.