Become the best alien gladiator life form by defeating other players in Impostor.io! Collect cubes to upgrade your character and refill their health meter while you fight to stay alive. There’s also coins you can earn to trade in for different weapons, outfits, and even hats! Defeat all the enemies by hitting them with melee weapons. Gather energy cubes to level up and become stronger. Don’t let your health drop too low and keep fighting until you become the top player.