Welcome to the online game ShootUp.io. This is a online unblocked io Game. ShootUp.io is a top-down zombie survival game. The player must survive in a mysterious town infested with zombies. To survive, the player must construct a base and squash zombies with a vehicle. They can also team up with their friends to fight other survivors. The game features many features including bonus items, ammunition, and turrets. Yup7 Games wishes you have fun playing ShootUp.io Unblocked Free Game!