Blitz3D - Create 2D and 3D Games for Windows.
Godot Engine - Feature-packed 2D and 3D open source game engine.
BlitzMax - With the developing version BlitzMax NG other 'targets' are available: ARM architecture, Raspberry, Android, HTML (Emscripten). RAPID DEVELOPMENT. Just open the IDE, write your code, hit F5 and see immediately the results!
MonoGame - MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
Monkey 2 - An easy to use, cross platform, games oriented programming language
RPG Maker - Make your own PC game with RPG Maker. Our easy to use tools are simple enough for a child, and powerful enough for a developer. Try it free today!