I'm looking to make a game with similar graphical characteristics as the game "Edge" on the AppStore. In essence, it needs some of the following: 
The only thing I've seen close to this has been SIO2 - Free Open Source 3D Game Engine. Is there anything better and actually free? This one requires a $49.99 license fee to eliminate their splash screen and any notion of using their API.
I'm fairly new into iPhone Programming but have been programming for awhile already. I already have used Ogre/Blender to create a simple RTS/Tower Defense game for Linux/Windows so I already have some experience making some games.
	
		
			
		
		
	
				
			- Geometric shapes with the ability of rotating, pitching, yawing
 - Camera that views down on the world and user can manipulate
 - Ability to use Blender to import models, environments
 
The only thing I've seen close to this has been SIO2 - Free Open Source 3D Game Engine. Is there anything better and actually free? This one requires a $49.99 license fee to eliminate their splash screen and any notion of using their API.
I'm fairly new into iPhone Programming but have been programming for awhile already. I already have used Ogre/Blender to create a simple RTS/Tower Defense game for Linux/Windows so I already have some experience making some games.