This is a list of optional quests throughout the game. Some quests require specific characters to join or leave, while others can only be cleared on specific discs. Each quest gives some kind of reward, everything from a short cutscene to some useful equipment.
|Catch the Rabbit||Limestone Cave||Chase down the rabbit-like animal.||Poison Guard|
|Lavitz's Painting||Bale||Talk to the painter.||Lavitz's Picture|
|Save the Seventh Fort||Marshlands||Go to the fort and defeat the Sandorans.||Wargod's Amulet, Lance|
|Find Kongol's Dragoon Spirit||Lohan||Buy from the merchant who sold you the water bottle after getting Kongol in your party.||Kongol's Dragoon Spirit|
|Lynn and Kate's Wedding||Donau||Go to Donau immediately following Lynn's release.||Kate's Bouquet|
|Locked Chest||Phantom Ship||Get four numbers from the crew members' ghosts. Then use a combination of them to open the locked chest.||Stun Guard, Panic Guard, Magic Ego Bell, Talisman, Ultimate Wargod, 100G|
|Kamuy||Evergreen Forest||Find and defeat Kamuy.||Darkness Stone, 500G|
|Polter Armor||Fort Magrad||Head left from the sign near the (Vellweb) exit of Kashua Glacier. Then get to the end of Fort Magrad to fight Polter Armor.||Soul Eater, Smoke Ball|
|Dead Dragoons||Vellweb||Go to four towers and battle each dragoon on Disc 4.||Respective Dragoon Stones|
|Magician Faust||Tower of Flanvel||Give Martel all 50 stardust to acquire the Vanishing Stone. Then confront Faust at the Tower of Flanvel.||Phantom Shield|
|Three Dragon Spirits||Mayfil||
Kill all three dragon spirits on the way to the moon. Note: The spirits will no longer appear once Zackwell is defeated.