online 4X browser game engine
A space race game in the style of A Dark Room
Game engine allows you to create own MMORPG
Modern AS3 Game Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Flexible and easy-to-use 2d game engine
Multi-platform game engine similar to old Megaman with a stage editor
C++11 cross-platform game engine using SDL2
A game engine written in the D programming language
Turbulenz is a modular 3D and 2D game framework
A 3D game engine in java.
2d/3d Game Engine
An advanced flexible game engine for Java.
Paintown is a 2d fighting game engine.
Godot is a fully featured, open source, MIT licensed, game engine.
An online multiplayer turn based strategy game and board game engine.
Jetpac Clone, written in JavaScript, wrapped in a Mac App
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3