Here is the full list of all 49 Final Fantasy Type-0 HD achievements.
Searched 15 surrendered imperial soldiers.
Completed a secret training session.
Won 50 encounters in the overworld.
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.
Searched 3 surrendered imperial soldiers.
Defeated 300 enemies.
Landed Killsight strikes on 100 enemies.
Defeated a total of 100 enemies in combat simulation sessions.
Defeated a total of 20 enemies in combat simulation sessions.
Took down 100 imperial soldiers.
Won a 5-battle chain encounter in the overworld.
Dodged 500 enemy attacks.
Harvested 100 phantoma.
Earned an S-Rank on a mission.
Completed a mission without allowing any casualties.
Cleared 3 missions.
Defeated 100 enemies.
Sat in on one of Moglin's lectures.
Completed an SO.
Landed Killsight strikes on 20 enemies.
Won an encounter in the overworld.
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 5 Knowing Tags.
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.
Talked with the moogles from all thirteen classes.
Completed a mission using only Primed cadets.
Defeated an enemy with the explosion from a fuel tank.