Open and edit the archive files used in over 4200 games.
GemRB is a portable open-source implementation of the Infinity Engine
lua dev plugin for unreal engine 4 or 5
3D game engine/framework in C, with Luajit and Python bindings now
A lightweight game server framework implemented with Actor Model
Gideros Release version
Domination is a game that is a bit like the board game Risk
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
the java game and entertainment runtime
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
A companion for your LOTRO activities
A strategy game with a high fantasy theme
Robocode is a programming tank game for Java
Colonize the New World.
Odamex is a free, cross-platform, modern client-server Doom engine
Full featured MUD server with all the trimmings.
Arianne is an engine to develop multiplayer online games like Stendhal
The ultimate cataloguer
The Sokoban game implemented in Java.