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