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