Teenage Mutant Ninja Turtles 2 Battle Nexus - Complete - GameBoy AdvancePlay with Up To 4 Players! Venture with the Turtles to shell and back in TMNT 2: BattleNexus . Pick up the action on a strange new planet with mysterious new technology. Two tail kickin' modes deliver green knuckled action including Story and Battle Nexus Mode! Specialized moves for each Turtle! 4 player shell action! Cooperative play & head to head four player competition