Silver helmet
Silver Helmet40.0%
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Achievements and their recorded unlock rates.
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Silver HelmetBronze HelmetStalker PlaneRobot Sky GuardianShip ShadowMachine Gun ShipMother ShipDesert DroneGIANT War PlaneCOMBAT PLANELast Guardian of the ZarocVolcano RobotLava Guardian RobotAttack Cyborg TripletsAttack CyborgKiller SubmarineShield ShipDiamond HelmetGold HelmetEmperor ZarocDesert Towers