Tool to statically recompile N64 games into native executables
Zig game engine & graphics toolkit
Descent 3 by Outrage Entertainment
RetroArch is a frontend for emulators, game engines and media players.
A lightweight game server framework implemented with Actor Model
Fast, user-friendly cross-platform custom launcher for Minecraft
A game engine powered by python and panda3d
A dead simple 2D game engine for Go
Botcraft is a cross-platform C++ library to create bots
2D JavaScript Physics Engine
Gideros Release version
RTS game with the theme of Strategy by Design
A cross-platform chess game.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Odamex is a free, cross-platform, modern client-server Doom engine
FlightGear Flight Simulator: free open-source multiplatform flight sim
For exploring cellular automata like Conway's Game of Life.
A free transportation simulator game
A cross-platform port of Hexen II game.
A modern, cross-platform Quake game engine based on FitzQuake.
Game library for Pascal
3D Engine c++
INSTEAD - Simple Text Adventure Interpreter.