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