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