To unlock the 'Limit Pass' in the Moogle shop for purchase you must first complete ALL Mission mode missions with a 'Gold Crown' rank. This item allows you to customize limits in Mission mode.

Collect the indicated number of Crowns by completing missions in Mission or Multiplayer mode. Then select 'Freebies' at the shop to get the corresponding item.

Adamanite X2 (Material): 180 crowns.

Aero X3 (Magic): 25 Crowns.

Aeroga (Magic): 130 Crowns.

Aerora X3 (Magic): 80 Crowns.

Blizzara X2 (Magic): 40 Crowns.

Blizzard X3 (Magic): 15 Crowns.

Crimson Blood (Ring): 160 Crowns.

Cura X2 (Magic): 35 Crowns.

Elixir X10: 70 Crowns.

Ether X10: 8 Crowns.

Guard Unit (L): 240 Crowns.

Hi-Ether X10: 55 Crowns.

Hi-Potion X10: 50 Crowns.

Lift Gear+ (3) (Weapon): 10 Crowns.

Limit recharge X5: 75 Crowns.

LV Doubler (6): 260 Crowns.

LV Quadrupler (3): 220 Crowns.

Magic unit (L): 190 Crowns.

Master's Circle (Ring): 358 Crowns.

Mega-Ether X10: 100 Crowns.

Mega-potion X10: 90 Crowns.

Megalixir X5: 120 Crowns.

Mystery Gear (3) (Weapon): 60 Crowns.

Panacea X10: 30 Crowns.

Potion X10: 5 Crowns.

Power Unit (L): 170 Crowns.

Premium Orb (Material): 140 Crowns.

Rune Ring (Ring): 200 Crowns.

Sliding Dash LV+ (L): 150 Crowns.

Slot Releaser: 65 Crowns.

Slot Releaser: 20 Crowns.

Slot releaser: 280 Crowns.

Slot Releaser: 45 Crowns.

Slot Releaser: 85 Crowns.

Slot Releaser: 1 Crown.

Ultimate Gear (6) (Weapon): 110 Crowns.

Valor Gear+ (2) (Weapon): 2 Crowns.

Earn the indicated amount of Challenge Sigils from Holo-Mission challenges to unlock free items that will be given to you by the Sythesis Moogle.

Slot Releaser:
Earn 5 Sigils

Haste:
Earn 10 Sigils

Casual Gear(2):
Earn 15 Sigils

Fire x 3:
Earn 20 Sigils

Cure x 3:
Earn 25 Sigils

Slot Releaser:
Earn 30 Sigils

Thunder x 3:
Earn 35 Sigils

Wild Gear+(3):
Earn 40 Sigils

Fira x 2:
Earn 45 Sigils

Slot Releaser:
Earn 50 Sigils

Thundara x 2:
Earn 60 Sigils

Phantom Gear+(4):
Earn 70 Sigils

Slot Releaser:
Earn 80 Sigils

Complete the game and and then purchase Zero Gear from the Moogle shop. Equip it with Roxas and add 3 Ability Units and you will be able to play as a dual-wielding Roxas in Mission mode. In Story mode, Zero Gear will gain the three abilities from the ability units but it will revert to it's original form and you will be unable to dual wield.

This feature which allows you to view every cutscene in the game will become an available option when you have beaten the game.

When you reach the indicated day in Story mode or complete the game under the stated condition the corresponding character will become an available option.

Unlock Xion:
Play story mode to day 96

Unlock Riku:
Play story mode to day 171

Unlock Donald:
Play story mode to day 244

Unlock Goofy:
Play story mode to day 277

Unlock King Mickey:
Beat the game and purchase the item 'Return of the King' from the moogle shop.

Unlock Sora:
100% complete ALL missions and purchase the item 'Soul of Sora' from the moogle shop.