Here is the full list of all 42 Metal Gear Solid V: The Phantom Pain achievements worth 1,000 gamerscore.
Developed a nuclear weapon.
Obtained all memento photos.
Completed all SIDE OPS.
Constructed all available platforms for Mother Base.
Completed all "Mine Clearing" SIDE OPS.
Completed all key Dispatch Missions.
Raised all Teams/Units to level 50.
Played an "Infiltration" FOB mission.
Developed 300 or more development items.
Obtained the codename "Hero."
Completed a mission using a Combat Unit staff member.
Completed all missions.
Raised bond with D-Horse to the maximum.
Completed "TRUTH: THE MAN WHO SOLD THE WORLD" mission.
Completed "A QUIET EXIT" mission.
Raised bond with Quiet to the maximum.
Completed "SAHELANTHROPUS" mission.
Completed "METALLIC ARCHAEA" mission.
Completed "VOICES" mission.
Completed "TRAITORS' CARAVAN" mission.
Raised bond with D-Dog to the maximum.
Developed 100 or more development items.
Made Quiet available for deployment.
Earned a total of 10,000,000 GMP or more.
Extracted a female prisoner.
Completed "HELLBOUND" mission.
Increased Mother Base staff to 250 or more personnel.
Made D-Dog available for deployment.
Completed "WHERE DO THE BEES SLEEP?" mission.
Developed 50 or more development items.
Increased Mother Base staff to 50 or more personnel.
Interrogated an enemy soldier.
Completed a SIDE OP.
Fulton extracted an enemy soldier.
Completed "PHANTOM LIMBS" mission.
Captured an outpost or guard post.
Completed "PROLOGUE: AWAKENING" mission.
Complete all mission tasks.
Complete all missions with an S rank.
Dispose of a nuclear weapon.
Extract all wild animal species.
Obtain all blueprints and key items.