Teenage Mutant Ninja Turtles 2: Battle Nexus

The game begins with a battle with the Foot Clan and Hun in Oroku Saki's skyscraper. The Foot is defeated, and Master Splinter mysteriously disappears. The Turtles chase the trail down to a building marked "T.C.R.I.", which proves to hide a bizarre secret beneath its innocuous exterior: its employee...