Metal Gear Solid V: Ground Zeroes has total 15 achievements/trophies worth 1000 points. Here is guide, tips to unclock each Metal Gear Solid V: Ground Zeroes achivement and trophy. Feel free to drop a comment regarding any doubt or suggestion you have.
Reunite with Chico or Paz achievement/trophy is earned by rescuing Chico or Paz which is a default objective of the mission.
Complete 'Ground Zeroes' mission.
Complete a Side Op or an Extra Op.
Complete all the missions including all Side Ops and Extra Ops.
Complete any mission with an 'S' rank.
Complete all missions with an 'S' rank.
During 'Ground Zeroes' mission rescue convict, find him in the refugee camp after escorting Chico, go to the tent near to starting point which is guarded by 3 guards. Get him out and lead to helicopter.
Complete 'Eliminate the Renegade Threat' Side Op mission. Mission objective is to kill both enemies but you need to extract them first to unlock this trophy/achievement.
To earn this achievement you need to complete 'Intel Operative Rescue' Side Op mission without killing any enemies. Switch your weapon to a non-lethal one. Be silent and keep your eyes everywhere including guards on roof, balconies etc
To earn this achievement you need to complete 'Classified Intel Acquisition' Side Op mission by escaping in the back of a truck. Drive a truck at the end of base and make sure no one notice you, in the end of a mission get back on it, wait it out until you pass border.
To earn this achievement you need to complete 'Destroy the Anti-Air Emplacements' Side Op mission by rescuing all prisoners and escaping them via helicopter. Trick is to carry prisoners to landing zone before completing main objectives.
To earn this achievement you need to complete 'Jamais vu' Extra Op mission without triggering any enemy combat status.
Unlock all trials.
Collect all of the Cassette Tapes.
Collect all of the XOF Patches.