I made some modifications to my Prototype 1. I didn't have a "Win" condition set up, and I saw that I missed the stacks of obstacles. I also decided to add some "Speed Boosts" to the track, that increase the player's speed substantially and make it a little more competitive. Camera Change is Q for Player 1 and Delete for Player 2. Winner Rotates on the Y axis, and loser rolls on the Z-axis (I ended up making duplicates of each player without the rigid body to get them out of the physics for the game. I think I've got the kinks worked out. Ready for tomorrow.
Here it is if you want to test it.