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.
Obtain all non-hidden Eidolons.
Save up 500,000 gil.
Save up 200,000 gil.
Save up 50,000 gil.
Completed the Lunarians' Tale.
Completed Kain's Tale.
Complete 60% of the Bestiary.
Completed Porom's Tale
Defeat 2,000 enemies.
Completed Edward's Tale.
Completed Edge's Tale.
Complete 30% of the Bestiary.
Defeat 1,000 enemies.
Completed Palom's Tale.
Completed Yang's Tale.
Completed Rydia's Tale.
Defeat 500 enemies.
Completed Ceodore's Tale.
Raise a band ability to the maximum level.
Save up 10,000 gil.
Defeat 100 enemies.
Began Ceodore's Tale.
Trade a blue tail for Blue Armor.
Trade a green tail for a Rare Band.
Trade a red tail for a Level Band.
Trade a black tail for Twin Stars.
Trade a purple tail for Treasure Hunter V2.
Trade a white tail for a Rapid Ring V2.
Trade a gold tail for a Gil Band V2.
Trade a gray tail for a Reach Ring.
Trade an ebony tail for a Provoke Ring.
Trade a rainbow tail for a Limit Ring.
Trade a pink tail for Pink Armor.
Obtained a piece of adamant armor.
Obtain all Eidolons.
Learn Dualcast.
Learn 40 different band abilities.
Learn all band abilities.
Raise all band abilities to the maximum level.
Reach level 30 with all characters.
Reach level 50 with all characters.
Reach level 70 with all characters.
Complete 100% of a Tale's Bestiary.
Complete 100% of the Bestiary.
Collected every Lustful Lali-Ho.
Complete every achievement.