Unlimited Bonus Day
Set the internal PSP clock back to 12:00am of the bonus day.

Ghost Data and Recipes
In Communications Mode find the Friend Card Setting option. Select "Edit Message," and erase all of your messages. Enter the passwords below, you will be notified if you entered correctly. To fight the Ghost Data in the Offline Lobby, select "Friend Card" and then "Ghost Battle."

3927540667 - Aquarius Recipe
1191170358 - Ahriman / Cloud of Darkness (Lv52) / Gnomish Bread
6798067239 - Aries Recipe / Miracle Shoes
827669534 - Behemoth / The Emperor (Lv74)/ Wyvern Egg, Blade of the Damned
1298228499 - Auron Friend Card / Level 100 Jecht Ghost Data
870322642 - Capricorn Recipe
582052436 - Chocobo Icon from Final Fantasy V
1137250106 - Gemini Recipe / Dangerously Lucky
29432971 - Fusoya Friend Card / Level 100 Golbez Ghost Data
3939258263 - Matoya Friend Card / Level 100 Warrior of Light Ghost Data
134103103 - Moogle Icon from Final Fantasy V
2748173856 - Ninja Friend Card / Level 100 Onion Knight Ghost Data
531062973 - Pisces Recipe
20151231 - Siegfried Friend Card / Level 100 Kefka Ghost Data
4797837576 - Shantotto / Shantotto (Lv31)-Automaton Parts
3784227940 - Vivi Friend Card / Level 100 Kuja Ghost Data
897651643 - Taurus Recipe / Ensanguined Shield

Duel Colosseum Levels
Blackjack (Levels 100-150) - Beat Inward Chaos, then purchase in the catalog.
Lunar Whale (Levels 90-120 - Beat Shade Impulse Chapter 4 to unlock Lunar Whale, then purchase in the catalog.

Battle Music:
(FFI) "Town Theme" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFII) "Rebel Army" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFIII) "Crystal Tower" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFIV) "Red Wings" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFIX) "Dark Messenger" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFV) "The Decisive Battle" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFVI) "Dancing Mad" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFVII) "Bombing Mission" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFVIII) "Man with the Machine Gun" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFX) "Fight With Seymour" - Defeat Chaos in Shade Impulse / 500 PP in ETC menu
(FFXI) " Awakening* - Defeat "Distant Glory Hero" / 500 PP in ETC menu
(FFXII) " Fight to the Death" - Defeat "Distant Glory Villain" / 500 PP in ETC menu

Duel Colosseum:
Complete Story Mode to unlock the Duel Colosseum.

Characters:
Cloud of Darkness - Purchase for 500 PP in the shop
Emperor Mateus - Purchase for 500 PP in the shop
Exdeath - Purchase for 500 PP in the shop
Gabranth - Complete Gabranth's story mode and purchase for 1000 PP in the shop.
Garland - Purchase for 500 PP in the shop
Golbez - Purchase for 500 PP in the shop
Jecht - Purchase for 500 PP in the shop
Kefka - Purchase for 500 PP in the shop
Kuja - Purchase for 500 PP in the shop
Sephiroth - Purchase for 500 PP in the shop
Shantoto - Complete Shantoto's story mode and purchase for 1000 PP in the shop.
Ultimecia - Purchase for 500 PP in the shop