Fast and lightweight JavaScript game engine built on WebGL and glTF
Open source library for N64 development
A game framework written with osu! in mind.
Open source library for creative expression on the web, desktop, etc.
INSTEAD - Simple Text Adventure Interpreter.
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
An isometric arcade-style game of skill, puzzles and exploration
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Utility for viewing ZX Spectrum emulator snapshot files.
Vivid3D is an open-source 3D engine with powerful 2D UI.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Cinema Enters Game Console
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
A complete web framework to create online Fighting Fantasy adventures
Portable game engine with main focus on point-and-click adventures
X3D Prototypes for the SMUOS Component
Generate ready-to-use disc images for your Sega Dreamcast system !
2D ARPG Engine