Shootup.io is a multiplayer shooter game. Shootup.io has the player begin in an abandoned town with only basic weapons in the arsenal. The town is overrun with Zombies, your only way to survive is to shoot your way through the hoards. Pickup new weapons, ammo and health kits, using them when you need them most. If you begin to shoot or drive in a car, the Zombies will hear you and will flock to your location fast! Be prepared. You can choose to team up with your friends or enter a world with random players. When you kill 100 zombies, your character can upgrade! Choose your upgrades wisely!