Unity - The multiplatform game creation tools for everyone.
Blitz3D - Create 2D and 3D Games for Windows.
LOVE 2D - Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua.
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!
Pygame - Pygame is a set of Python modules designed for writing games.
Monkey 2 - An easy to use, cross platform, games oriented programming language