Kodu Game Lab - Kodu lets kids create games on the PC and XBox via a simple visual programming language.
Roblox - Reimagining the way people come together.
Unity - The multiplatform game creation tools for everyone.
Scroller Game Creator - Create your scroller shooter game
Project Anarchy - Project Anarchy is a complete end to end game engine and state-of-the-art toolset for mobile.
Ceilfire - Ceilfire is an online game maker for creating HTML5 games and sharing game assets. Make play and share games directly in your browser! Make Your Own Game!