레벨: Tier 1-1 | Basic Heck

레벨: Tier 1-3 | RPG

레벨: Tier 2-3 | Accuracy

레벨: Tier 3-1 | Wheel of Boom

레벨: Tier 4-2 | Hanging Mines

레벨: Tier 4-3 | Space Balls

레벨: Tier 6-1 | No Ammo 2

레벨: Tier 8-1 | X ray

레벨: Tier 8-3 | Sniper

레벨: Tier 9-3 | Endurance