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