"Soulcalibur IV is the sixth installment in Namco's Soul series of fighting games, and was released on PlayStation 3 and Xbox 360 on July 29, 2008. The fifth installment in the Soulcalibur series features the Story, Arcade, Training and Museum modes. A new mode called Tower of Lost Souls requires the player to win battles in order to gain rewards." Source: Wikipedia, "Soulcalibur_IV," available under the CC-BY-SA License.