Successfully complete the game with Sora to unlock Reverse/Rebirth mode, which allows you to play through the game as Riku.Theatre mode
Successfully complete the game to unlock Theatre mode, which allows you to view any intermission sequence from the game.Special cards
Successfully complete the indicated task to unlock the corresponding card:
Ansem: Successfully complete Reverse/Rebirth mode. The card can be found in a chest in Twilight Town.
Axel Enemy: Obtained during the course of the game.
Demyx Enemy: Successfully complete Reverse/Rebirth mode, then go to Atlantica (Key To Rewards).
Diamond Dust: Successfully complete Reverse/Rebirth mode. The card can be found in a chest in Castle Oblivion.
Larxene Enemy: Obtained during the course of the game.
Luxord Enemy: Successfully complete Reverse/Rebirth mode, then go to Agrabah (Key To Rewards).
Marluxia Enemy: Obtained during the course of the game.
Mushu and Xigbar: Go to Hollow Bastion. Use the Key Of Rewards. One of the two chests will have the Xigbar card.
One Winged Angel: Successfully complete Reverse/Rebirth mode. The card can be found in a chest in Twilight Town.
Roxas: Successfully complete Sora and Riku's story, then return to Sora's story. Go to Twilight Town, and enter the Treasure room. One of the two chests there will have the Roxas card. It requires Blue Level 8 card, Red Level 6 card, and Green cards which altogether equal 20 points, Key To Rewards. The card doubles the attack strength of twenty single attack cards. Note: It does not affect Sleights.
Saix Enemy: Successfully complete Reverse/Rebirth mode, then go to Traverse Town (Key To Rewards).
Ultima: Successfully complete Reverse/Rebirth mode. The card can be found in a chest or shop in Castle Oblivion.
Vexen Enemy: Obtained during the course of the game.
Xaldin Enemy: Successfully complete Reverse/Rebirth mode, then go to Monstro (Key To Rewards).
Xemnas Enemy: Successfully complete Reverse/Rebirth mode, then go to Wonderland (Key To Rewards).
Zexion's: Successfully complete Reverse/Rebirth mode. The card can be found in a chest on Destiny Islands.
The following is a list of the Key To Rewards that you can get on your first playthrough. They will change once you have completed the game.
- Traverse Town: Lionheart Keyblade card
- Monstro: Aqua Splash Sleight
- Olympus Coliseum: Metal Chocobo Keyblade card
- Wonderland: Synchro Sleight
- Halloween Town: Bind Sleight
- Agrabah: Warp(inator) Sleight
- 100 Acre Wood: N/A
- Atlantica: Quake Sleight
- Neverland: Thunder Raid Sleight
- Hollow Bastion: Mushu Summon card
- Twilight Town: Stardust Blitz Sleight
- Destiny Islands: Megalixer
This trick allows you to easily kill Ansem (Final) in Reverse/Rebirth mode. Before fighting the final Boss, Ansem, you must first set the shortcut key to the first 0 Soul Eater card in your deck. Make sure that you have a decent HP (about 300) to withstand his attacks. Your goal is to engage in duel stance for the rest of the fight. Follow this process:
- 1. Activate duel stance. Duel stance is activated by playing a card with the same value as the card played by the opponent and then pressing Triangle.
- 2. Press Down (shortcut button) to select the 0 Soul Eater card.
- 3. Press X until you achieve seven successful breaks. This will activate the Barrage sleight that inflicts about one life bar damage (the damage varies based on your AP).
- 4. Reload your deck by pressing Up, then X.
- 5. Repeat the steps.
Note: Use the Oogie Boogie enemy card (Regen) if you are low on HP. Try to evade some of his attacks, if possible. Also, make sure to break his Sleights by using zero-valued cards.Defeating Heartless
In Sora mode, construct a deck with at least three Magnet Spiral (Gravity - Gravity - Attack) card sequences. Then, in a normal battle, use Magnet Spiral until all Heartless are killed. Magnet Spiral pulls all Heartless to you, and then performs a jumping attack. This does not work on Defenders and Creeper Plants because they resist magnetism. You may also want to add three Cloud cards with a total value of at least 10 for Omnislash or three different attack cards with a total value of 20 to 23 for Sonic Blade. Note: Each Magnet Spiral should have a value of at least 10 to avoid Sleight Break.Defeating Vexen, Axel (second fight), and Marluxia (first fight)
This trick requires at least four Mega-Ethers and nine Fire/Ice spells. This is how you will construct the deck (in order):
- Fire/Blizzard (x9) - Firaga/Blizzaga (x3)
- Mega-Ether (x4)
- Cure (x3 or more) - Curaga
- 0 Attack Cards (x4 or more)
Note: Vexen is weak against fire and Axel is weak against ice. Every Firaga/Blizzaga/Curaga Sleight should have a value of at least 10. Also, Mega-Ethers should have a value of at least 7. Do not use premium attack cards because they are non-reloadable unless you put many of them. Set the shortcut key to the first Cure card in your deck. The theme of this deck is to break your opponent's single cards by using Firaga/Blizzaga while dealing damage to them. Use the 0 attack cards to break the Sleights. Use Curaga, if needed. After using all your Fire/Blizzard cards, use a Mega-Ether to reload them while retaining lead cards. Reload your deck if you are out of 0 attack cards. For Marluxia, because he does not nullify any spell other than Gravity, you can use Fire/Blizzard/Thunder in building the deck. The process is the same when fighting Marluxia.Misspelling
During the scene when you come to the tenth floor, Vexen, Axel, and Larxene will be speaking to Marluxia. Vexen will say "You go too far!" but his subtitle reads "You go to far!"Storyline mistake
When you first get to 100 Acre Wood, Pooh and Sora will have a conversation but never introduce themselves. When they are wrapping up their conversation, Sora will say Pooh's name, and Pooh will say Sora's name even though they have not said who they are to each other. This is strange because they are all in Castle Oblivion and Sora does not seem to remember anyone he comes across in his memories after Traverse Town.