We have listed 13 alternatives for Blitz3D which have similar features like
Blitz3D
including commercial, freemium, free and open source Windows
alternatives.
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.
CryEngine is a game engine with the initial version being used in Far Cry, and continues to be updated to support new consoles and hardware for their games.