Friend Cards appear in Kingdom Hearts: Chain of Memories as a type of playing card which summons an ally of Sora or Riku to help them during battle. They can be identified by their green borders, which they share with Item Cards. Friend cards behave identically to Attack, Magic, and Summon cards, but unlike the other types of playing card, they cannot be collected, and are instead randomly obtained during battle, and disappear when the battle is finished.
As in Kingdom Hearts, these allies generally cannot be used on all worlds. Each friend summon can be upgraded to more powerful levels by stocking multiples of that friend card, though they can also be used in various combinations with other Friend Cards, as well as Attack, Magic, Summon, and Item Cards to perform different spells and summons unavailable in the other games. Many of these new combinations are Kingdom Hearts versions of traditional Final Fantasy spells like "Terror" or "Teleport".
List of Friend Cards
| Card | Name | Location | Description |
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Donald Duck | All floors except Destiny Islands | Donald randomly casts Fire, Blizzard, Thunder, or Cure. Stock more than one to power up Donald's magic. |
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Goofy | All floors except Destiny Islands | Goofy swings his shield at the enemy. Stock more than one to power up Goofy's attack. |
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Aladdin | Key of Beginnings room, Agrabah | Aladdin swings his sword at the enemy repeatedly. Stock more than one to power up Aladdin's attack. |
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Ariel | Key to Guidance room, Atlantica | Ariel whirls across the field, striking many enemies. Stock more than one to power up Ariel's attack. |
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Jack | Halloween Town | Jack casts Fire, Blizzard, Thunder, or Gravity. Stock more than one to power up Jack's magic. |
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Peter Pan | Neverland | Peter Pan attacks with his dagger. Stock more than one to power up Peter's attack. |
| File:The Beast (card).png | The Beast | Hollow Bastion | The Beast mows down anyone in Sora's path. Stock more than one to power up the Beast's attack. |
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The King | All floors except Hollow Bastion (Reverse/Rebirth only) | The king restores HP, stuns and deals damage to all enemies, and reloads cards. |
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Pluto | All floors (Re:Chain of Memories only) | Pluto digs up cards and orbs from the ground. Stock more than one for better items. |
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