Kingdom Hearts: Chain of Memories

Lead Pooh to the end of 100 Acre Wood.

Defeat Hades.

Finish "Monstro" level.

Press A + B + Select + Start during game play.

To play in versus mode with other Nintendo GameBoy Advance Users, you must defeat the game in Story Mode with Sora. This will also unlock the "Riku Story Mode".

Randomly found inside one of the doors opened with the golden bar card.

Complete the game with Sora the first time through. After that, when you load a new game you will get an option for Reverse Rebirth mode, where you will control Riku.

You can skip story sequences (dialog) by holding down start for about 2 seconds. Unfortunately, this does not work for the animated sequences.

Summon Card Defeat Captain Hook.

Beat Reverse Rebirth mode to unlock Ultma Weapons for Sora. You can buy them in Moogle Shops.