Start a new game, and enter "PolkaPolka" as a name to unlock a hidden sound test menu.

In Chapter 4, go to The Mining Town of Gollund. At the tavern, read the "Rash of Thefts" rumor. Go to the Merchant City of Dorter. At the tavern, read the "A Call for Guards" rumor. When you leave the city, a battle will start. Win the battle with Balthier's help, and he will join your party.

Note: You must have Mustadio in your party. In Chapter 4, read the rumors at Goland. Go to Lesalia, and accompany Beowulf to Goland. He will join your party after a series of battles.

Note: You must have Mustadio in your party. In Chapter 4, successfully complete all ten levels of the Deep Dungeon, and Biblos will join your party.

Note: You must have Mustadio in your party. In Chapter 4, return Reis to human form, then go to Goug. Cloud will go to Zarghidas after an intermission sequence. After completing Igros, go to Zargidas. Win the battle, and Cloud will join your party.

Note: You must have Mustadio in your party. In Chapter 4, accompany Beowulf through Goland Coal City. Reis will be rescued during the final battle in the series and join your party.

Note: You must have Mustadio in your party. In Chapter 4, read the rumors at Zeltennia. Buy a flower in Zarghidas, then return to Goug. Win the battle in Zeltennia. Reis will turn into human form afterwards and join your party.

In Chapter 3, go to the Zekalus Desert after the Orbonne Monastary battles. After the intermission sequence, win the battle, and Luso will join your party.

Note: You must have Mustadio in your party. In Chapter 4, after rescuing Reis from Goland, return to Goug Machine City. Worker 8 will join your party after an intermission sequence.

Keep Lavian and Alicia (Agrias' guards from Chapter 1) in your party in Chapter 4. Land on a City on Cancer I. After the intermission sequence featuring Mustadio giving a birthday gift to Agrias, you will have the Lip-Rouge, which boosts the stats of female characters.

Put an egg on the bottom row of the editing screen. Place the pointer on top, then press Right or Left repeatedly to see a brief glimpse of the face of the monster in the egg.

Reach the indicated job level to unlock the next job in that class:

Archer: Reach level 2 Squire.

Arithmetician: Reach level 5 White Mage, level 5 Black Mage, level 4 Mystic, and level 4 Time Mage.

Bard: Reach level 5 Summoner and level 5 Orator as a male character only.

Black Mage: Reach level 2 Chemist.

Dancer: Reach level 5 Dragoon and level 5 Geomancer as a female character only.

Dark Knight: Become a complete Master Knight and Black Mage, crystallize 20 units, and reach level 8 with Dragoon, Ninja, Goemancer, and Samurai.

Dragoon: Reach level 4 Thief.

Geomancer: Reach level 4 Monk.

Knight: Reach level 2 Squire.

Monk: Reach level 3 Knight.

Mystic: Reach level 3 White Mage.

Ninja: Reach level 5 Thief, level 4 Archer, and level 2 Geomancer.

Onion Knight: Reach level 6 Squire and level 6 Chemist.

Orator: Reach level 3 Mystic.

Samurai: Reach level 5 Monk, level 4 Knight, and level 2 Dragoon.

Summoner: Reach level 3 Time Mage.

Thief: Reach level 3 Archer.

Time Mage: Reach level 3 Black Mage.

White Mage: Reach level 2 Chemist.