Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Ace Pilot	Destroyed 20,000 enemy AI.
Acid Downpour	Brought acid guns to 50 missions.
Aegis Brigade	Defeated every member of the Five Hells.
Armor Collector	Completed all armor sets.
Arsenal Doctor	Brought support equipment to 20 missions.
Aviator Down	Defeated Aviator for the first time.
Aviator Hunter	Obtained all equipment that can be developed from Aviator.
Battle Hardened	Cleared 100 missions.
Blade Master	Brought blades to 50 missions.
Bolt Hunter	Obtained all equipment that can be developed from Bolt.
Bullet Master	Brought bullet weapons to 50 missions.
Cunning Survivor	Cleared 150 missions.
Decisive	Cleared 50 missions.
Defense Master	Brought shields to 20 missions.
Dominator	Completed all missions.
Dominator Hunter	Obtained all equipment that can be developed from the Dominator.
Dreadnought Hunter	Obtained all equipment that can be developed from Dreadnought.
Eclipse Appearance	Eclipse appeared during a mission.
Eclipse Hunter	Obtained all equipment that can be developed from Eclipse.
Elite Mercenary Division	Defeated every member of Bullet Works.
Exceptional	Completed all mission side goals.
Explosives Expert	Brought mines to 20 missions.
Extermination King	Destroyed 50,000 enemy AI.
Extermination Legend	Destroyed 100,000 enemy AI.
Gunfort Hunter	Obtained all equipment that can be developed from Gunfort.
Headhunter	Brought grenades to 20 missions.
Humanity Regained	Surgically reverse a body modification.
Humanity Renounced	Reached the maximum body modification level.
Ice Cream Clique	Bought ice cream over 50 times.
Infinite Reach	Brought sniper rifles to 50 missions.
Jamming Controller	Brought radar jammer to 20 missions.
Legendary Warrior	Cleared 250 missions.
Nightmare Hunter	Obtained all equipment that can be developed from Nightmare.
Oppressive Gravity	Brought gravity guns to 50 missions.
Outlaw Gang	Defeated every member of the Western VII.
Psychic Shooter	Brought blitz to 20 missions.
Pyromaniac	Brought flamethrowers to 50 missions.
Rank A Mercenary	Reached mercenary rank A.
Rank B Mercenary	Reached mercenary rank B.
Rank C Mercenary	Reached mercenary rank C.
Rank D Mercenary	Reached mercenary rank D.
Rebellion Hunter	Obtained all equipment that can be developed from Rebellion.
Rookie	Destroyed 500 enemy AI.
Shotgun Master	Brought shotguns to 50 missions.
Smells Like Victory	Brought bazookas to 50 missions.
Snatcher Hunter	Obtained all equipment that can be developed from Snatcher.
Soul Full o' Femto	Brought laser weapons to 50 missions.
Spark Trickster	Brought arc guns to 50 missions.
Steel Champion	Threw 50 punches.
Stop-Motion Shooter	Brought rail guns to 20 missions.
Tactics Expert	Defeated every member of the Steel Knights.
Target Eliminator	Brought missiles to 20 missions.
Teen Mercenary Corps	Defeated every member of Immortal Innocence.
Tenacious	Cleared 10 missions.
Thanatos Corps	Defeated every member of Terrors.
Triumphant	Cleared 200 missions.
Valkyrie Host	Defeated every member of Panzer Crown.
Veteran Pilot	Destroyed 3,000 enemy AI.
War God	Defeated Solomon.
Weapon Collector	Completed all weapon sets.
WELCOME TO YOUR BATTLEFIELD	Cleared all Offer Missions.