Teenage Mutant Ninja Turtles: The Cowabunga Collection Achievements Here is the full list of all 13 Teenage Mutant Ninja Turtles: The Cowabunga Collection achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Shredding the ShredderFinish Teenage Mutant Ninja Turtles (N) Heroes in a Half ShellFinish Teenage Mutant Ninja Turtles (Arcade) Pizza Party!Finish Teenage Mutant Ninja Turtles II: The Arcade Game (N) Waiting for the other Foot to DropFinish Teenage Mutant Ninja Turtles: Fall of the Foot Clan (GB) CallbackFinish Teenage Mutant Ninja Turtles: Turtles in Time (Arcade) Back Into ActionFinish Teenage Mutant Ninja Turtles II: Back from the Sewers (GB) I Have Become Turtle, Eater of PizzasFinish Teenage Mutant Ninja Turtles III: The Manhattan Project (N) Totally Tubular Time TravelFinish Teenage Mutant Ninja Turtles IV: Turtles in Time (SN) Sewer’s FourFinish Teenage Mutant Ninja Turtles: The Hyperstone Heist (GEN) Gnarly GreatnessFinish Teenage Mutant Ninja Turtles III: Radical Rescue (GB) S Tournament ChampionDefeat Karai in Teenage Mutant Ninja Turtles: Tournament Fighters’ Story Battle (SN) G Tournament ChampionDefeat the real Karai in Teenage Mutant Ninja Turtles: Tournament Fighters’ 1 Player Mode (GEN) N Tournament ChampionDefeat Shredder in Teenage Mutant Ninja Turtles: Tournament Fighters’ Story Mode (N)