Massacre.io Unblocked Game

Massacre.io Unblocked Game Massacre.io is a top-down .io shooter similar to Wilds.io. You spawn in a big, green map with weapons you can pick up or buy. As soon as you see another, it will be kill or die in this bloody IO browser free-for-all. So, be prepared! How to Play Massacre.io Use Arrow keys to move, mouse for weapon.