Here is the full list of all 61 DAEMON X MACHINA achievements.
Completed all armor sets.
Obtained all equipment that can be developed from Eclipse.
Obtained all equipment that can be developed from the Dominator.
Eclipse appeared during a mission.
Defeated every member of the Five Hells.
Defeated every member of the Western VII.
Defeated every member of Bullet Works.
Obtained all equipment that can be developed from Snatcher.
Obtained all equipment that can be developed from Aviator.
Completed all missions.
Defeated Aviator for the first time.
Defeated every member of Immortal Innocence.
Destroyed 3,000 enemy AI.
Cleared 100 missions.
Defeated every member of Terrors.
Brought flamethrowers to 50 missions.
Obtained all equipment that can be developed from Rebellion.
Brought mines to 20 missions.
Brought shotguns to 50 missions.
Obtained all equipment that can be developed from Bolt.
Bought ice cream over 50 times.
Brought grenades to 20 missions.
Brought blitz to 20 missions.
Obtained all equipment that can be developed from Dreadnought.
Brought arc guns to 50 missions.
Threw 50 punches.
Brought sniper rifles to 50 missions.
Brought radar jammer to 20 missions.
Brought rail guns to 20 missions.
Brought laser weapons to 50 missions.
Obtained all equipment that can be developed from Gunfort.
Brought bazookas to 50 missions.
Brought blades to 50 missions.
Obtained all equipment that can be developed from Nightmare.
Cleared all Offer Missions.
Cleared 50 missions.
Brought bullet weapons to 50 missions.
Reached mercenary rank A.
Reached mercenary rank B.
Brought missiles to 20 missions.
Brought support equipment to 20 missions.
Brought shields to 20 missions.
Defeated every member of Panzer Crown.
Defeated every member of the Steel Knights.
Reached mercenary rank C.
Destroyed 500 enemy AI.
Surgically reverse a body modification.
Reached the maximum body modification level.
Cleared 10 missions.
Reached mercenary rank D.
Completed all mission side goals.
Brought acid guns to 50 missions.
Brought gravity guns to 50 missions.
Cleared 150 missions.
Cleared 200 missions.
Cleared 250 missions.
Destroyed 20,000 enemy AI.
Destroyed 50,000 enemy AI.
Destroyed 100,000 enemy AI.
Defeated Solomon.
Completed all weapon sets.