
Cocos Creator
Godot Engine
GDevelop
Orx
Unreal Engine
Stencyl
Adventure Game Studio
Wick Editor
Smart Objects
Cocos Creator
Smart ObjectsGodot Engine - Feature-packed 2D and 3D open source game engine.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Orx - Orx - a portable open source game engine
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Stencyl - Make iOS (iPhone/iPad), Android, Flash, Windows & Mac games without code using Stencyl.
Adventure Game Studio - Adventure Game Studio provides the tools to make your own adventure, for free!