Orx: Portable Game Engine
Open source, moddable game engine for the "Polygon Love 2" game
Fork of AbuseSDL to carry on development
a UCI chess engine
An isometric arcade-style game of skill, puzzles and exploration
Godot is a fully featured, open source, MIT licensed, game engine.
A cell-based puzzle game featuring classic and completely new puzzles
Game engine for playing tomb raider 1 - 5 levels.
A fork of dhewm3 with an emphasis on modernisation and vanilla Doom 3
RTSish Game Engine
Old-school 2D game engine
An authentic Rise of The Triad Dark War source port
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Pycraft is an open-source, OpenGL based game made in Python
Amateur 3D Game Engine
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented