Rockman Zero3 Modification Cards

Rockman Zero 3 Modification Cards (ロックマンゼロ3改造カード) are cards created by Capcom in 2004 to be used with the Card e-Reader+ in Rockman Zero 3, which causes modifications in the game, most adding extras to the Resistance Base. These cards were sold only in Japan, in packets containing five cards for 200 Yen. It's also possible to make the modifications by using a cheat device, which is the only way to unlock them in the American and European versions of the game.

List of cards
Note: Cards that change the appearance of the same object can't be active at the same time, like the cards that change the design of items, the computer in Ciel's room and the background image of the title screen. Cards 18 and 64 can't be active at the same time.

Character Cards
Character cards (キャラクターカード) are cards that doesn't has an effect, being only for collection. Card 1 to 10 are from Part 1, and 11 to 20 from Part 2.

Mega Man Zero Collection
In Mega Man Zero Collection, the cards can be obtained in-game in both Japanese and English versions, keeping their original function. The 80 Mod Cards are unlocked by completing the four games individually, 20 cards for each game. The 20 Character Cards are unlocked by completing the Easy Scenario Mode.


 * Completing Mega Man Zero unlocks the cards 1, 3, 4, 8, 10, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 26, 32, 44 and 49.
 * Completing Mega Man Zero 2 unlocks the cards 7, 27, 29, 30, 34, 35, 36, 38, 39, 45, 46, 48, 50, 51, 53, 54, 55, 60, 72 and 76.
 * Mega Man Zero 3 unlocks the cards 11, 22, 33, 37, 40, 47, 57, 59, 61, 63, 64, 65, 67, 68, 69, 70, 71, 74, 75 and 78.
 * Mega Man Zero 4 unlocks the cards 2, 5, 6, 9, 12, 25, 28, 31, 41, 42, 43, 52, 56, 58, 62, 66, 73, 77, 79 and 80.

Trivia
Mega Man Zero 3 has 40 unused e-Reader effects that increases the power of four Cyber-elves and the health of enemies, suggesting that either additional cards were planned to be released or each set would have 60 cards.