They are:
Battle Roulette
Battle Tower
Battle Factory
Battle Castle
And even a Battle Stage!!!
For more info check the link:
http://www.serebii.net/platinum/battlefrontier.shtml
And of course we can't forget the Brains!
http://www.serebii.net/platinum/frontierbrains.shtml
Cool right?
« Last edited by PhilXZ on Sep 12th 2008 »