Game Editor – Game Editor is the open source game design software that gives you the power to create the games of your dreams, and, unlike other game creation tools, gives you the chance to get and change the source code of the game creator and design and develop 2D games for personal computers as well as mobile devices. – http://game-editor.com

Construct – Construct Classic is a free, DirectX 9 game creator for Windows, designed for 2D games. It is the predecessor to the more modern Construct 2. Construct Classic uses an event based system for defining how the game behaves, in a visual, human-readable way – you don’t need to program or script anything at all. It’s intuitive for beginners, but powerful enough for advanced users to work without hindrance. – http://www.scirra.com/construct-classic/demos

YAams – Yet Another advanced maker system – YAams are an editor to create 2D Games without any programm knowledge. Its witten in Java & pluginable – http://yaams.sourceforge.net/

Love2D – LÖVE is an *awesome* framework you can use to make 2D games in Lua. It’s free, open-source, and works on Windows, Mac OS X and Linux.- https://love2d.org/