Full list of all 50 Final Fantasy IV: The After Years achievements. It takes around 120-150 hours to unlock all of the achievements on Windows.
Completed the Crystals.
Obtain all Eidolons.
Obtain all non-hidden Eidolons.
Trade a rainbow tail for a Limit Ring.
Trade an ebony tail for a Provoke Ring.
Trade a gray tail for a Reach Ring.
Trade a gold tail for a Gil Band V2.
Trade a white tail for a Rapid Ring V2.
Trade a purple tail for Treasure Hunter V2.
Trade a black tail for Twin Stars.
Trade a red tail for a Level Band.
Trade a green tail for a Rare Band.
Trade a blue tail for Blue Armor.
Trade a pink tail for Pink Armor.
Obtained a piece of adamant armor.
Collected every Lustful Lali-Ho.
Learn 40 different band abilities.
Learn Dualcast.
Save up 500,000 gil.
Save up 200,000 gil.
Reach level 30 with all characters.
Completed the Lunarians' Tale.
Completed Kain's Tale.
Save up 50,000 gil.
Completed Edward's Tale.
Complete 60% of the Bestiary.
Completed Porom's Tale
Completed Edge's Tale.
Completed Palom's Tale.
Defeat 2,000 enemies.
Completed Yang's Tale.
Complete 30% of the Bestiary.
Completed Rydia's Tale.
Defeat 1,000 enemies.
Completed Ceodore's Tale.
Complete 100% of a Tale's Bestiary.
Raise a band ability to the maximum level.
Defeat 500 enemies.
Save up 10,000 gil.
Defeat 100 enemies.
Began Ceodore's Tale.
Obtained Hero's Shield.
Obtained Ultima Weapon.
Obtained Ragnarok.
Learn all band abilities.
Raise all band abilities to the maximum level.
Reach level 50 with all characters.
Reach level 70 with all characters.
Complete 100% of the Bestiary.
Complete every achievement.