Final Fantasy IV: The Complete Collection Cheats - PSP
Hints
The After Years: Unlock Additional Chapters
The Crystals: Planet Eater - Finish every other tale up to and including the Lunarians'.
Kain's Tale: Return of the Dragoon - Finish Ceodore's Tale and any one other character tale.
The Lunarians' Tale: The Blue Planet That Was - Finish every tale up to and including Kain's.
Final Fantasy IV Advance: Acquire free Berserk status in any battle.
Step 1: Un-equip all beserk status preventing items such as the Ribbon helmet from the party members you want beserked.
Step 2: Equip the Avenger sword on Kain (or Cecil).
Step 3: Enter a battle.
Step 4: For the Character you want beserked, watch his ATB. You need it to fill up just as Kain attacks. Once this happens, Kains berserk status will be copied to this character and he or she will now be berserked.
Step 5: Win the battle. Un-Equip Kains Avenger sword and equip on Kain any weapon you want. From now on until you restart the game, anytime Kains ATB fills up along side any of your other characters, they will be put in Beserk status, unless they are wearing a Ribbon.
Final Fantasy IV Advance: Equip Adult Rydia with White Mage staffs.
When Rydia returns as an adult she no longer has the ability to use white magic, so she can no longer use staffs (but still can use rods don't confuse the two) First off you must beat the game with her in your party and go to the lunar ruins and start her trial. When she is young again she has white magic again so you can equip her with staffs. Finish the trial with a staff equipped and even when she returns to an adult she will still have it on. But if you unequip it she will not be able to equip it unless you return to her trial in the lunar ruins. And now your black mage summoner has a white mage weapon.
Final Fantasy IV Advance: Psycho Edward Glitch
This takes advantage of Edward's auto-hide property when he is in critical status (low HP). First, berserk him, then take him down to critical (tornado works well). He should hide in his next available turn. However, he retains his berserk status, and in his next available turn, he'll reappear and attack again. He will still be berserked, but he'll also still be considered "hidden." That means that he'll constantly attack and never be able to be targetted, even by spells that should hit the entire party, as long as one other person is still alive (he can't hide if he is the only person left alive). On the negative side, it also means you can't heal him, even with party healing spells.
Final Fantasy IV Advance: Unlock Lunar Ruins
Beat the game once to unlock the Lunar Ruins. Inside there will be a trial for each of your characters but to unlock these you must beat the final boss with each character atleast once.
Final Fantasy IV Advance: The Cave of Trials
An eight floor dungeon containing weapons and armor for the party members you couldn't use for the final dungeon in the original. Once you unlock Party Switching and head back to Mysidia, you'll be informed of a new challenge at Mt. Ordeals. A scene will occur once you get there and the Cave of Trials will be accessable.
Final Fantasy IV Advance: 1991 Dev Team Office
To get there, reach the Underworld for the first time. After gaining access to the armory (after beating Golbez in the crystal room) go down to the Weapon/Armor room and go behind the pillar between the two shop desks. From there, go up, you'll then be in the Lali Ho Pub (another secret room). Then, go right to where there's a dark marking on the floor and progress right through the wall and down a stairway. You will now be at the 1991 Dev Team Office entrance, where you can talk to the developers of the original game, complete with their rank back when they worked on the game in 1991.