| Total (unique) | 1405 |
| Total (including duplicates) | 1443 |
| Total North America | 1021 |
| Standalone ("Challenge") Games | 946 |
| Video | 28 |
| Multipacks | 27 |
| Software | 1 |
| Total Europe | 104 |
| Total Japan | 73 |
| Total eReader | 17 |
| Total Homebrew | 20 |
| Total Repros | 9 |
| Total DS | 61 |
| Total 3DS (physical) | 36 |
| Total 3DS (digital) | 63 |
| Total paid | $14157.30 |
| Total value | $0.00 |
| Game Name | M | B | Date Acquired | Purchase Price | Value | Net/loss | Category |
|---|---|---|---|---|---|---|---|
| Monopoly | 7/30/2019 | $2.08 | $6.29 | $4.21 | USA | ||
| Monster Force | 6/10/2019 | $1.90 | $7.16 | $5.26 | USA | ||
| Monster High: New Ghoul in School | ✔ | ✔ | 10/21/2022 | $5.35 | $24.35 | $19.00 | 3DS |
| Monster House | 6/10/2019 | $1.90 | $8.62 | $6.72 | USA | ||
| Monster Jam: Maximum Destruction | 7/17/2019 | $1.20 | $7.89 | $6.69 | USA | ||
| Monster Rancher Advance | 11/10/2020 | $9.00 | $14.40 | $5.40 | USA | ||
| Monster Rancher Advance 2 | 11/23/2021 | $13.17 | $20.74 | $7.57 | USA | ||
| Monster Truck Madness | 2/13/2019 | $1.22 | $7.36 | $6.14 | USA | ||
| Monster Trucks | 2/13/2019 | $1.22 | $5.75 | $4.53 | USA | ||
| Monster Trucks Mayhem | 2/22/2020 | $4.24 | $4.92 | $0.68 | USA | ||
| Monster Trucks Quad Fury Double Pack | 7/17/2019 | $1.20 | $5.00 | $3.80 | USA Combo | ||
| Monster! Bass Fishing | 6/10/2019 | $1.90 | $7.21 | $5.31 | USA | ||
| Monster! Bass Fishing [USA-1] | 8/16/2022 | $6.48 | $7.21 | $0.73 | USA | ||
| Monsters, Inc. | 3/8/2019 | $1.22 | $5.91 | $4.69 | USA | ||
| Mortal Kombat Advance | 6/23/2021 | $10.82 | $25.82 | $15.00 | USA | ||
| Mortal Kombat: Deadly Alliance | 12/13/2021 | $17.13 | $29.84 | $12.71 | USA | ||
| Mortal Kombat: Tournament Edition | 12/13/2021 | $55.17 | $59.99 | $4.82 | USA | ||
| Moshi Monsters: Moshling Zoo | ✔ | ✔ | 10/22/2022 | $2.87 | $7.26 | $4.39 | DS |
| Mother 3 | 10/15/2019 | $0.00 | $22.65 | $22.65 | Homebrew | ||
| Moto Racer Advance | 1/2/2021 | $45.22 | $183.89 | $138.67 | USA |