Full list of all 50 Infinite Undiscovery achievements worth 1,000 gamerscore. It takes around 100-120 hours to unlock all of the achievements on Xbox 360.
Attack the enemy without being detected.
Keep on surprising the enemy.
Keep on getting surprised by the enemy.
Work on your ground combos.
Work on your aerial combos.
Work on your down strikes.
Learn every battle skill.
Learn every spell.
Learn every tune.
Obtain every item.
Improve your cooking skills!
Keep improving your cooking skills!
Cook anything you can!
Improve your alchemy skills!
Keep improving your alchemy skills!
Alchemize anything you can!
Improve your forging skills!
Keep improving your forging skills!
Forge anything you can!
Improve your writing skills!
Keep improving your writing skills!
Write anything you can!
Improve your enchanting skills!
Keep improving your enchanting skills!
Make it through the hidden trial!
Take advantage of your party's skills.
Gather as much Fol as you can.
Defeat as many enemies as you can.
Let your party members be lunatics.
Keep on clocking hours.
Detonate all the barrels in prison.
Deliver Aya to the village without getting hurt.
Use machines of war to destroy your foes.
Rescue the imprisoned.
Deliver the villagers without letting any of them perish.
Rescue the child before he gets hurt.
Use the carts in the mine.
Watch out for the tsunami.
Hurry to the empress.
Hurry to the village under attack.
Destroy the Azure Chain.
Destroy the Orange Chain.
Destroy the Crimson Chain.
Destroy the Cerulean Chain.
Destroy the Amber Chain.
Destroy the Ashen Chain.
Defeat the Dreadknight.
Defeat the Crimson One.
The Liberator returns.
Defeat the ultimate foe waiting for you at the end of the ultimate challenge.