A tutorial on creating a Faux Gravity system in Unity. This allows your characters to walk on planets without falling off. (As seen in Mario Galaxy)
Download planet model: https://copy.com/O8C1lWLNFUOuqfJe/Planet.blend?download=1
Download Unity project: https://copy.com/13VfW36IP8eiBmCe/Faux%20Gravity%20Example?download=1
Source