It is an exciting Io game. You will battle and battle again in an arena. You need to kill everyone even if you are the swallowers, improver level by kill low levels. Find a chance to become a hunter, then kill swallowers continuously. It is an extremely brutal battle， survive and kill others. Bumper.io, io game, arena battle, multiplayer, online game, action game, arcade game, PvP, hunter, swallower, HTML5, HTML, kids, online, platform, battle, action, arcade, arena, multiplayer, online, platform, PvP