God of War: Chains of Olympus

God of War: Chains of Olympus is a 2008 action-adventure game developed by Ready at Dawn, and published by Sony Computer Entertainment (SCE). It was first released for the PlayStation Portable (PSP) handheld console on March 4, 2008. The game is the fourth installment in the God of War series, the third chronologically, and a prequel to the original God of War. It is loosely based on Greek mythology and set in ancient Greece, with vengeance as its central motif. The player controls Kratos, a Spartan warrior who serves the Olympian gods.