Here is the full list of all 49 Final Fantasy Type-0 HD achievements worth 1,000 gamerscore.
Hatched 100 chocobos at the chocobo ranch.
Completed Chapter 6 "Terra Mortis - Khalia's Decision."
Cleared 15 missions.
Completed Chapter 5 "The First Battle of Judecca."
Captured 30 chocobos.
Liberated and visited all cities in the Dominion of Rubrum.
Earned the "A Lonely Battle" bonus.
Earned the "An Army of One" bonus.
Earned the "A Select Few" bonus.
Completed a mission using only Primed cadets.
Defeated a total of 100 enemies in combat simulation sessions.
Completed Chapter 4 "The Last Queen's Return to Oblivion."
Landed Killsight strikes on 100 enemies.
Completed Chapter 3 "Weapons of Mass Destruction."
Avoided the penalty for failing an SO.
Searched 15 surrendered imperial soldiers.
Harvested 500 phantoma.
Searched 3 surrendered imperial soldiers.
Won 50 encounters in the overworld.
Landed Killsight strikes on 20 enemies.
Hatched 5 chocobos at the chocobo ranch.
Talked with the moogles from all thirteen classes.
Completed Chapter 2 "Raise the Vermilion Banner."
Defeated 300 enemies.
Forged a covenant with an Eidolon.
Collected 5 Knowing Tags.
Dodged 500 enemy attacks.
Won a 5-battle chain encounter in the overworld.
Captured a chocobo.
Harvested 100 phantoma.
Defeated a total of 20 enemies in combat simulation sessions.
Completed a secret training session.
Earned an S-Rank on a mission.
Cleared 3 missions.
Completed an SO.
Sat in on one of Moglin's lectures.
Defeated an enemy with the explosion from a fuel tank.
Took down 100 imperial soldiers.
Won an encounter in the overworld.
Defeated 100 enemies.
Completed Chapter 1 "War - Three Hours That Changed the World."
Completed a mission without allowing any casualties.
Took down 20 imperial soldiers.
Complete Chapter 7 "Fate of the Crystal - The Endless Battle."
Complete Chapter 8 "Verdict: Finis."
Forge covenants with 6 Eidolons.
Collect 25 Knowing Tags.
Acquire an airship.
Shoot down 50 enemies with the airship.