Zombie Dice 3 School Bus Game For 2 or more players 10 minutes of playtime For fans of dice games: Cthulhu Dice, Giant Cthulhu Dice, and Trophy Buck This is an expansion for Zombie Dice. It is not a stand-alone game. A giant 12-sider. Bigger even than the one in Cthulhu Dice! For 2 or more players 10 minutes of playtime For fans of dice games: Cthulhu Dice, Giant Cthulhu Dice and Trophy Buck This is an expansion for Zombie Dice, It is not a stand-alone game