| | Monster type | Type | Attribute | Level | ATK | DEF |
|---|
| The 13th Grave | | Zombie | DARK | 3 | 1200 | 900 |
| 7 Colored Fish | | Fish | WATER | 4 | 1800 | 800 |
| Abyss Flower | | Plant | EARTH | 2 | 750 | 400 |
| Achacha Catcher | | Warrior | FIRE | 4 | 1400 | 400 |
| Acid Crawler | | Insect | EARTH | 3 | 900 | 700 |
| Acrobat Monkey | | Machine | EARTH | 3 | 1000 | 1800 |
| Acuvolcano | | Pyro | EARTH | 1 | 0 | 1400 |
| Akakieisu | | Spellcaster | DARK | 3 | 1000 | 800 |
| Alexandrite Dragon | | Dragon | LIGHT | 4 | 2000 | 100 |
| Alien 33 | | Reptile | LIGHT | 3 | 1100 | 1100 |
| Alien Shocktrooper | | Reptile | EARTH | 4 | 1900 | 800 |
| Alien Shocktrooper (Rush Duel) | | Reptile | EARTH | 4 | 1900 | 800 |
| Alinsection | | Insect | EARTH | 3 | 950 | 700 |
| The All-Seeing White Tiger | | Beast | WIND | 3 | 1300 | 500 |
| The All-Seeing White Tiger (Rush Duel) | | Beast | WIND | 3 | 1300 | 500 |
| Alligator's Sword | | Beast | EARTH | 4 | 1500 | 1200 |
| Alligator's Sword (Rush Duel) | | Beast | EARTH | 4 | 1500 | 1200 |
| Alpha Burn Drake | | Dragon | LIGHT | 1 | 600 | 1000 |
| Alpha The Magnet Warrior | | Rock | EARTH | 4 | 1400 | 1700 |
| Ama Lilith | | Psychic | DARK | 2 | 400 | 400 |
| Amazon of the Seas | | Fish | WATER | 4 | 1300 | 1400 |
| Ancient Brain | | Fiend | DARK | 3 | 1000 | 700 |
| Ancient Elf | | Spellcaster | LIGHT | 4 | 1450 | 1200 |
| Ancient Jar | | Rock | EARTH | 1 | 400 | 200 |
| Ancient Lizard Warrior | | Reptile | EARTH | 4 | 1400 | 1100 |
| Ancient Lizard Warrior (Rush Duel) | | Reptile | EARTH | 4 | 1400 | 1100 |
| Ancient Sorcerer | | Spellcaster | DARK | 4 | 1000 | 1300 |
| Ancient Tree of Enlightenment | | Plant | EARTH | 3 | 600 | 1500 |
| Angel Trumpeter | Tuner monster | Plant | EARTH | 4 | 1900 | 1600 |
| Anglercoil | | Thunder | WATER | 4 | 1500 | 0 |
| Anthrosaurus | | Dinosaur | EARTH | 3 | 1000 | 850 |
| Ants Running About | | Insect | FIRE | 1 | 100 | 600 |
| Applizard | | Dragon | LIGHT | 4 | 1500 | 0 |
| Aqua Madoor | | Spellcaster | WATER | 4 | 1200 | 2000 |
| Aqua Snake | | Aqua | WATER | 3 | 1050 | 900 |
| Aqua Sorcerer | | Spellcaster | WATER | 4 | 1500 | 0 |
| Archfiend Marmot of Nefaribousness | | Beast | FIRE | 4 | 1500 | 0 |
| Archfiend Marmot of Nefariousness | | Beast | EARTH | 2 | 400 | 600 |
| Archfiend Marmot of Nefariousness (Rush Duel) | | Beast | EARTH | 2 | 400 | 600 |
| Archfiend Mirror | | Fiend | DARK | 2 | 700 | 600 |
| Archfiend Soldier | | Fiend | DARK | 4 | 1900 | 1500 |
| Archfiend Soldier (Rush Duel) | | Fiend | DARK | 4 | 1900 | 1500 |
| Arlownay | | Plant | EARTH | 3 | 800 | 1000 |
| Arma Knight | | Aqua | WATER | 4 | 1000 | 1200 |
| Arma Knight (Rush Duel) | | Aqua | WATER | 4 | 1000 | 1200 |
| Armaill | | Warrior | EARTH | 3 | 700 | 1300 |
| Armored Lizard | | Reptile | EARTH | 4 | 1500 | 1200 |
| Armored Lizard (Rush Duel) | | Reptile | EARTH | 4 | 1500 | 1200 |
| Armored Rat | | Beast | EARTH | 3 | 950 | 1100 |
| Armored Starfish | | Aqua | WATER | 4 | 850 | 1400 |
