Flexible and easy-to-use 2d game engine
Multi-platform game engine similar to old Megaman with a stage editor
A game engine written in the D programming language
An advanced RPG-specific Game Engine
A 3D game engine in java.
high performance cross-platform game engine
C++11 cross-platform game engine using SDL2
2D game engine for traditional platform games
2d/3d Game Engine
A C++ 3D game engine.
Game engine used for Magic Dash Studio's games!
3D Game Engine
Paintown is a 2d fighting game engine.
Egret is a brand new open mobile game and application engine
Godot is a fully featured, open source, MIT licensed, game engine.