ShootUp.io is a cool multiplayer online top down shooting IO game for you to play online and for free on Silvergames.com. Choose your character, from a rich man or a simple nerd, to a ninja or a policeman, and just start shooting around. Kill zombies, other players, turrets and whatever you want. Just shoot things up and earn money for that.
The more zombies you kill the more money you will earn for each kill, so don’t just stand around and start shooting up those dead bastards. Collect better weapons and try to lead the match. Have fun with ShootUp IO!
Controls: Arrows / WASD = move, Mouse = aim / shoot, Space = collect item