Here then are the best of what the 'next-gen' PlayStation and Xbox machines had to offer this year as selected by the readers and writers of The Guardian Gamesblog. (Assassin's Creed, BioShock, Call of Duty: Modern Warfare, Castlevania: Symphony of the Night, Crackdown, flOw, Forza Motorsport 2, Guitar Hero II, Heavenly Sword, Loco Roco Cocoreccho, Mass Effect, MotorStorm, PS3, Ratchet & Clank Future: Tools of Destruction, Super Stardust HD, The Orange Box, Uncharted: Drake's Fortune, Warhawk, Xbox 360)