It seems like unity can do platformers decently, and autodesk even has a couple of tutorials for working with max and unity for a platformer http://area.autodesk.com/tutorials?word=unity&where=1&software=1&tutotips=&level=
Hey guys I have to create a demo of a game I am designing. It is a platformer/puzzle game where the player switches to a "design mode" to create gadjets like The Spore creature creator orbanjo kazooie, nuts and bolts, or even fantastic contraption. Then switches back and can use the gadjet in the platformer mode. I am not…