1UP: Teenage Mutant Ninja Turtles Smash Up Preview

1UP writes: "Four regular turtles turn into knuckleheaded teenagers with ninja skills in Teenage Mutant Ninja Turtles: Smash Up. The gang that brought us Super Smash Bros. Brawl has put the spit and vinegar back into Teenage Mutant Turtles with a four-player brawler that shares more than a passing similarity to its spiritual predecessor."