Full list of all 16 Metal Gear Solid V: Ground Zeroes achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Obtain all cassette tapes
Unlock all trials
Clear all missions (including Side Ops and Extra Ops)
Clear all missions (including Side Ops and Extra Ops) with a S-rank
Recreate all scenes in the "Déjà-Vu" Extra Op
Clear the "Jamais Vu" Extra Op with 0 enemy combat statuses
In the "Ground Zeroes" mission, rescue the prisoner to be executed and extract him via chopper
Obtain all XOF unit patches
In the "Destroy the Anti-Air Emplacements" Side Op, rescue and extract all prisoners via chopper
Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck
Clear the "Intel Operative Rescue" Side Op without killing a single enemy
Clear a Side Op or Extra Op
Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets
Clear the "Ground Zeroes" mission
Clear any mission (including Side Ops and Extra Ops) with a S-rank
Reunite with Chico or Paz