 Santa Monica has developed all main entries , while Ready at Dawn and Javaground / Sony Online Entertainment @-@ Los Angeles ( SOE @-@ LA ) developed the three side games . Sony Interactive Entertainment ( SIE ; formerly Sony Computer Entertainment ) has published all games except the mobile phone installment ; it was published by Sony Pictures Digital . There are two eras of games in the God of War series . The first era are the first seven games , which are based on Greek mythology with vengeance as a central motif . Its main trilogy — God of War ( 2005 ) , God of War II ( 2007 ) , and God of War III ( 2010 ) — was released for the PlayStation 2 ( PS2 ) and PlayStation 3 ( PS3 ) video game consoles . The fourth main installment , Ascension ( 2013 ) , a prequel to the entire series , was also released for the PS3 and features multiplayer . The three side games include Chains of Olympus ( 2008 ) and Ghost of Sparta ( 2010 ) for the PlayStation Portable ( PSP ) , and Betrayal ( 2007 ) for mobile phones that support the Java Platform , Micro Edition ( Java ME ) . Santa Monica is currently working on the eighth installment , also titled God of War , for the PlayStation 4 ( PS4 ) . It will begin the second era , which will be based on Norse mythology . 
