The "Dimension Shellshock" DLC for Teenage Mutant Ninja Turtles: Shredder's Revenge recently arrived on console and PC, adding new playable characters, an addictive co-op survival mode, and more. To learn more about the decision-making and co-op balance behind both the main game and "Dimension Shellshock," we spoke with...

Ever since the two Teenage Mutant Ninja Turtles arcade beat ‘em ups from Konami, the heroes in a half-shell have epitomized co-op gaming. Sure, there have been solo titles (including an underappreciated Metroidvania entry from WayForward), but gamers clearly expect co-op from Turtles games. Some later-day cooperatives entries like Mutants in ...