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
Cocos2d-x is a powerful engine for 2D games that requires programming knowledge and offers extensive features, making it suitable for complex projects. In contrast, ClickTeam Fusion is aimed at beginners and non-programmers with its easy-to-use interface, but it may not handle larger, more complex games as effectively.