Blender - Blender is the open source, cross platform suite of tools for 3D creation.
OJOO - Play and create engaging games
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Tiny Tap - Create educational games from your photos
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Legend of Grimrock - Legend of Grimrock is a dungeon-themed game that is reminiscent of d20 role playing games. Action and adventure combine to produce hours or entertainment.