Superstar Challenge completion bonuses:
After beating all the Superstar Challenges you will unlock Evolution suits for HHH, Batista, and Ric Flair as well as alternate attire for Randy Orton.
Buy all the legends at the shopzone.
Heat and Velocity arenas:
Beat the Amateur challenges.
Accumulate a lot of money, and save your game on two different memory cards. Next buy an experience item from the shop, spend all the exp points, and save the game to card 1. Now go to Options, then System data, and load up Card 2. Next, copy the enhanced wrestlers from card 1 to card 2. Now you have the points and the money you spent on them!
Special thanks to Revolution readers XXX, Ted Debiasie, and Reno!