Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cocos simplifies game creation and distribution with Cocos Creator
A dead simple 2D game engine for Go
Multi-platform 2D and 3D game engine
Cross-platform game engine in Rust
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
Orx: Portable Game Engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Urho3D Game engine
2D Game Engine
Cross-platform 2D and 3D game engine
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
The Atomic Game Engine is a multi-platform 2D and 3D engine
online 4X browser game engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Modern AS3 Game Engine
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Egret is a brand new open mobile game and application engine
2D physics engine for games
cross-platform 2d game engine
Cross-platform 2D game engine