Unity - The multiplatform game creation tools for everyone.
Corona SDK - Cross-platform mobile app development.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Shiva Engine - Shiva Engine is a cross-platform development solution.
Grantoo - Grantoo makes a multiplayer platform for mobile games allowing players to compete with their...
BuildBox - Buildbox is a new video game maker that is extremely easy to use.