10waves1boss.io is a free for all 2D shooter iO games where you play against zombies as you did in Crowded City. Preventing hordes of the scary monsters from attacking the base will help you win. To block them before they invade that important place, you need to build a strong tower defense system in 10waves1boss.io unblocked online. It should include the best weapons. Try to survive, gather gold and buy upgrades to prepare for the next onslaught! When you level up, their power also increased. Be careful!
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