Cocos2d-x is an open-source and cross platform open source free 2D game engine for mobile game development known for its speed, stability, and easy of use.
License: Open Source
Game Editor is primarily designed for 2D game development with a user-friendly visual interface, making it perfect for beginners. In contrast, Cocos2d-x is a more complex and powerful engine that supports both 2D and 3D games, offering extensive customization and optimization options, but requiring a steeper learning curve and programming knowledge.