Browse free open source C Game Engines and projects below. Use the toggles on the left to filter open source C Game Engines by OS, license, language, programming language, and project status.
A modern, cross-platform Quake game engine based on FitzQuake.
Xash3D FWGS engine
The ioquake3 community effort to continue supporting/developing id's
DOOM / Heretic / Hexen source port with enhanced graphics and UI
The flexible game engine
3D game engine/framework in C, with Luajit and Python bindings now
An OpenGL RTS game engine written in C
Cross-platform 2D and 3D game engine
Orx: Data-Driven Game Engine
SDL based generic 2D game engine
An authentic Rise of The Triad Dark War source port
A basic 3D environment with a first-person POV
A fork of Chocolate Doom with small Quality of Life enhancements
Game engine for playing tomb raider 1 - 5 levels.
A DirectX based graphics/physics engine
Conservative port of BOOM 2.02 to modern systems.
3D Game Engine