Mortal Kombat: Unchained

Mortal Kombat: Unchained is the title of the PlayStation Portable version of Mortal Kombat: Deception. Unchained includes all the characters from the GameCube version, and four more from Deadly Alliance. Exclusive to the Unchained version is the Endurance mode, where players can compete against a constant wave of opponents. (wikipedia.org)