| My Obese Sweetheart | 15–40 | |
| Mysterious Boy | 84–150 | |
| Mysterious Ceremony | 0 | — |
| Mysterious Chips(10) | 0 | — |
| Mysterious Chips (15) | 0 | — |
| Mysterious Chips Batch Open | 0 | |
| Mysterious Jar | 86–150 | |
| Mysterious Mount! | 0 | — |
| Mysterious Mount! | 0 | — |
| Mysterious Old Man | 100–150 | |
| Mysterious Scroll | 20–150 | |
| Mystery | 0 | — |
| Mystery Girl | 0 | — |
| Mystery in the Snow | 97–110 | |
| Mystery in the Swamp | 70–150 | |
| Mystery on the Island | 80–150 | |
| Mysterywood Fruit | 55–150 | |
| Mystical Doc.: Ghost | 35–150 | — |
| Mystical Doc.: Phantom | 35–150 | — |
| Mystical Doc.: Spirit | 35–150 | — |
| Mystical Jarax | 0 | |
| Mystical Jarax | 0 | |
| Mystique Robe | 0 | — |
| Mythical Wolfkin | 150 | |
| Nameless Isle | 57–150 | |
| Names | 0 | — |
| Nations & Regimes | 0 | — |
| Native Vipion | 43–60 | |
| Natural Talent | 0 | — |
| Nature's Blade | 0 | — |
| Nature's Punishment! | 0 | — |
| Nature Talker | 100–150 | — |
| Nature Talker | 100–150 | — |
| Nature Talker | 100–150 | — |
| Nature Talker | 100–150 | — |
| Naughtol Doc.: Jupiter | 105–150 | — |
| Naughtol Doc.: Mars | 105–150 | — |
| Naughtol Doc.: Mercury | 105–150 | — |
| Naughtol Doc.: Moon | 105–150 | — |
| Naughtol Doc.: Saturn | 105–150 | — |
| Naughtol Doc.: Sun | 105–150 | — |
| Naughtol Doc.: Venus | 105–150 | — |
| Naughty Snowman I | 20–150 | |
| Naughty Snowman II | 20–150 | |
| Naughty Snowman III | 20–150 | |
| Naughty Snowman IV | 20–150 | |
| Need for Weapons | 4–10 | |
| NE, Etherblade | 0 | — |
| Neglect of Duty | 96–105 | |
| Neither dead nor alive | 80–95 | |