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