Worlds collide as the frozen world and modern New York come together. In the calamity, Shredder is trying to raise an army of Zombies. It's up to the Turtles to put a stop to him. Timecrash is a new expansion for Zombicide: White Death. The Teenage Mutant Ninja Turtles and allies step up to save New York from Shredder and his gang of Foot Ninjas. It includes new Survivors, foes, Equipment, double-sided tiles, and a rulebook with new Missions to embark on to save the city from the Foot Clan.