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.
Obtained Ultima Weapon.
Obtained Hero's Shield.
Obtained Ragnarok.
Trade a pink tail for Pink Armor.
Obtained a piece of adamant armor.
Collected every Lustful Lali-Ho.
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 blue tail for Blue Armor.
Trade a green tail for a Rare Band.
Learn 40 different band abilities.
Reach level 70 with all characters.
Reach level 50 with all characters.
Reach level 30 with all characters.
Completed the Lunarians' Tale.
Complete 100% of a Tale's Bestiary.
Completed Kain's Tale.
Completed Edward's Tale.
Complete 60% of the Bestiary.
Save up 500,000 gil.
Save up 200,000 gil.
Completed Porom's Tale
Completed Edge's Tale.
Completed Palom's Tale.
Complete 30% of the Bestiary.
Completed Yang's Tale.
Completed Rydia's Tale.
Defeat 2,000 enemies.
Completed Ceodore's Tale.
Save up 50,000 gil.
Defeat 500 enemies.
Defeat 1,000 enemies.
Raise a band ability to the maximum level.
Save up 10,000 gil.
Defeat 100 enemies.
Began Ceodore's Tale.
Obtain all non-hidden Eidolons.
Obtain all Eidolons.
Learn Dualcast.
Learn all band abilities.
Raise all band abilities to the maximum level.
Complete 100% of the Bestiary.
Complete every achievement.