Here is the full list of all 49 Final Fantasy Type-0 HD (EU) achievements worth 1,000 gamerscore.
Earned an S-Rank on a mission.
Cleared 3 missions.
Sat in on one of Moglin's lectures.
Completed a mission without allowing any casualties.
Took down 100 imperial soldiers.
Completed Chapter 1 "War - Three Hours That Changed the World."
Landed Killsight strikes on 20 enemies.
Defeated 100 enemies.
Took down 20 imperial soldiers.
Complete Chapter 2 "Raise the Vermilion Banner."
Complete Chapter 3 "Weapons of Mass Destruction."
Complete Chapter 4 "The Last Queen's Return to Oblivion."
Complete Chapter 5 "The First Battle of Judecca."
Complete Chapter 6 "Terra Mortis - Khalia's Decision."
Complete Chapter 7 "Fate of the Crystal - The Endless Battle."
Complete Chapter 8 "Verdict: Finis."
Earn the "An Army of One" bonus.
Earn the "A Lonely Battle" bonus.
Earn the "A Select Few" bonus.
Harvest 100 phantoma.
Harvest 500 phantoma.
Forge a covenant with an Eidolon.
Forge covenants with 6 Eidolons.
Land Killsight strikes on 100 enemies.
Defeat 300 enemies.
Complete an SO.
Win an encounter in the overworld.
Win 50 encounters in the overworld.
Win a 5-battle chain encounter in the overworld.
Dodge 500 enemy attacks.
Clear 15 missions.
Avoid the penalty for failing an SO.
Collect 5 Knowing Tags.
Collect 25 Knowing Tags.
Acquire an airship.
Shoot down 50 enemies with the airship.
Capture a chocobo.
Capture 30 chocobos.
Hatch 5 chocobos at the chocobo ranch.
Hatch 100 chocobos at the chocobo ranch.
Complete a secret training session.
Defeat a total of 20 enemies in combat simulation sessions.
Defeat a total of 100 enemies in combat simulation sessions.
Reclaim and visit all cities in the Dominion of Rubrum.
Talk with the moogles from all thirteen classes.
Complete a mission using only Primed cadets.
Defeat an enemy with the explosion from a fuel tank.
Search 3 surrendered imperial soldiers.
Search 15 surrendered imperial soldiers.