Shootup.io is one of the hottest shooter Io games because you will have the chance to fight against the undead. Zombies will be the main target that you need to destroy when joining the new challenge. Besides, you can race against other online human characters to become the top soldier. It's not easy to occupy the leaderboard when you will be surrounded by tons of enemies!
Play Shootup.io unblocked and you can use everything on your way without paying a penny. Actually, it's free to pick up supplies, weapons, hide behind walls, or loot a car! Aside from that, you can build a base and crush the monster with your vehicle. Further, it's very interesting to invite friends, turn them into your teammates, and work together! Once you stay alive, level up and get stronger, you will be able to unlock and gain many valuable upgrades. Are you willing to drop into the latest intense survival match? Good luck!