Every preview on IGN about Dead Island mentions the teaser trailer. It blew us away with how much emotion it conveyed, setting our expectations impossibly high for this zombie survival title. Yet despite not coming across as all that serious when various editors have seen it, one thing's agreed upon: Dead Island's still fun. There's a simple pleasure in bashing zombies with a club or machete and, unsurprisingly, it's better in four player cooperative mode...