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Play unblocked game in US or NA servers optionally. The only obligation is setting a nickname for starting .iO games. Even though the title of game associates arcade type of iO games, you’re about to involve into seriously cruel battles in action games! When you connect the game, you’ll have a short time for equip your avatar; search for weapons and power-ups will be needed during battles against real players! Attacks come in waves. Short times between two waves are great times for refresh yourself for a new challenge!