Open source library for creative expression on the web, desktop, etc.
API (C#) for simulating certain aspects of a ZX spectrum for porting.
A modern, cross-platform Quake game engine based on FitzQuake.
Orx: Data-Driven Game Engine
GemRB is a portable open-source implementation of the Infinity Engine
Tools and Z80 engine for creating adventure games. (RUST)
Amateur 3D Game Engine
An isometric arcade-style game of skill, puzzles and exploration
ZDoom 2.8.1 fork focusing on modernisation, performance and stability
SDL based generic 2D game engine
Here we're trying to create the easiest open-source game engine.
C++ lightweight cross-platform game engine
Motor de juegos de aventura programable
RTSish Game Engine
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Injectable LUA scripting system, SDK generator, live property editor
Free, open source game engine online
Animation Compression Library
Haskell game engine library for roguelike dungeon crawlers
Modified source engine (2017) developed by valve and leaked in 2020
2D game development library for Ruby and C++