Unlockable - Getting The Millennium Items | |
| Millennium Rod | You must beat The Millennium Guard in Canada. |
| Millennium Eye | You must beat The Millennium Guard in China. |
| Millennium Ring | You must beat The Millennium Guard in Italy. |
| Millennium Key | You must beat The Millennium Guard at the Domino Pier. |
| Millennium Necklace | You must beat The Millennium Guard at the Egypt Exhibition. |
| Millennium Scale | You must beat The Mimic of Doom in Galapagos. |
| Millennium Puzzle | You must beat Bandit Keith. |
Unlockable - Unlock Hall of Eternity | |
| Hall of Eternity | Finish the game once. |
Password - Card Passwords | |
| Card passwords for Grandpa's shop: | |
| Lisark | 55210709 |
| Witty Phantom | 36304921 |
| Life Eater | 52367652 |
| Harpie Lady | 76812113 |
| Dragon Zombie | 66672569 |
| Summoned Skull | 70781052 |
| Sword Arm of Dragon | 13069066 |
| Mushroom Man | 14181608 |
| Mystical Elf | 15025844 |
| Blue Eyes White Dragon | 89631139 |
| Dark Magician | 46986414 |
| Penguin Knight | 36039163 |
| Abyss Flower | 40387124 |
| 7 Colored Fish | 23771716 |
| Ancient Tool | 49587396 |
| Ancient Sorcerer | 36821538 |
| Ancient One of the Forest | 14015067 |
| Ancient Jar | 81492226 |
| Ancient Elf | 93221206 |
| Ancient Brain | 42431843 |
| Amphibious Bugroth | 40173854 |
| Ameba | 95174353 |
| Amazon Sword Women | 94004268 |
| Amazon Of The Seasons | 17968114 |
| Alpha The Magnet Warrior | 99785935 |
| All-Seeing Goddess | 53493204 |
| Alligator's Sword | 64428736 |
| Alinsection | 70924884 |
| Akihiron | 36904469 |
| Akakieisu | 38035986 |
| Air Marmot Of Nefa | 75889523 |
| Acid Crawler | 77568553 |
| Acid Trap Hole | 41356845 |
| Raigeki | 12580477 |
| Dark Hole | 53129443 |
| Swords of Revealing Light | 72302403 |
| Spellbinding Circle | 18807108 |
| Millennium Shield | 32012841 |
| Black Luster Soldier | 05405694 |
| Jirai Gumo | 94773007 |
| Gate Guardian | 25833572 |
| Blue-Eyes Ultimate Dragon | 23995346 |
| Dragon Seeker | 28563545 |
| Five God Dragon | 99267150 |
| Namuriko | 90963488 |
| Neck Hunter | 70084224 |
| Neddle Ball | 94230224 |
| Neddle Worm | 81843628 |
| Nekogal #1 | 01761063 |
| Nekogal #2 | 43352213 |
| Night Lizard | 78042798 |
| Novax's Prayer | 43694075 |
| One Who Hunts Soul | 03606209 |
| Yormungarde | 17115745 |
| Zanki | 30090452 |
| Zarigun | 10598400 |
| Zera Ritual | 81756897 |
| Zera the Mant | 69123138 |
| Zoa | 24311372 |
| Zombie Warrior | 31339260 |
| Zone Eater | 86100785 |
Password - Monster Codes | |
| Enter these codes at the shop to unlock these monsters. | |
| Psychic Kappa | 07892180 |
| Gaia The Fierce Knight | 06368038 |
| Great White | 13429800 |
| Bottom Dweller | 81386177 |
| Red-Eyes Black Dragon | 74677422 |
| Ocubeam | 86088138 |
| Deepsea Shark | 28593363 |
| Change of Heart | 04031928 |
| Pot of Greed | 55144522 |
| Monster Reborn | 83764718 |
| La Jinn | 97590747 |
| Ryu-Ran | 02964201 |
| Silver Fang | 90357090 |
| Overdrive | 02311603 |
| Bladefly | 28470714 |
| Kojikocy | 01184620 |
| Mega Thunderball | 21817254 |
| Armaill | 53153481 |
| Cyber Jar | 34124316 |
| Frenzied Panda | 98818516 |
