 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 . 
