How do you get kratos in Mortal Kombat?

Kratos, the iconic character from the God of War series, is a guest character in Mortal Kombat 9. To play as Kratos, you need to own the PlayStation 3 version of the game, as he was exclusively available on that platform. Simply complete the game's story mode or select him from the character roster if you have unlocked him. Note that he is not available in other versions or later Mortal Kombat games.