<P> God of War II was first released in North America on March 13, 2007, for the PlayStation 2 . Angered at his fellow gods, Kratos runs amok across the city of Rhodes . Zeus intervenes and betrays Kratos, who is saved by the Titan Gaia . She tells him he must now find the Sisters of Fate, who can change his fate and prevent his death at the hands of Zeus . Kratos is ultimately successful and as he is about to kill the god, Athena sacrifices herself to save Zeus and preserve Olympus, and tells Kratos that he is the son of Zeus . Kratos then joins forces with Gaia and the Titans to attack Olympus . </P> <P> God of War: Betrayal was released on June 20, 2007, for mobile phones supporting Java ME . It is the only game in the series to be released as a two - dimensional (2D) side - scroller and released on a non-PlayStation platform . The game's narrative takes place between the events of Ghost of Sparta and God of War II . Kratos is framed for murder, and rampages across Greece seeking the true assassin . Kratos succumbs to bloodlust and kills Ceryx, the son of the god Hermes--an act that alienates him from his fellow gods . </P> <P> God of War: Chains of Olympus was first released in North America on March 4, 2008, for the PlayStation Portable . Its narrative takes place during Kratos' ten years of service to the gods . Kratos halts a Persian invasion of the Greek city of Attica, and learns that the world has been plunged into darkness by the god Morpheus . Kratos investigates the abduction of the sun god Helios, and prevents the Machiavellian plan of the goddess Persephone to use the Titan Atlas to destroy the world . </P> <P> God of War III was first released in North America on March 16, 2010, for the PlayStation 3 . Reigniting the Great War, Kratos is soon abandoned by the Titans, who were only using him to exact their own revenge . Helped by the spirit of Athena who was elevated to a new level of understanding, she instructs him to seek the Flame of Olympus in order to defeat Zeus . Kratos engages the gods and the Titans in an epic series of battles across the Underworld and Olympus and learns that Pandora's Box is within the Flame . He discovers that Pandora herself is the key to pacifying the Flame and allowing him to open the Box . After finally killing Zeus, he refuses to help Athena assume the role of new patron of mankind and disappears . </P>

Who is the first god in god of war