| Total (unique) | 1412 |
| Total (including duplicates) | 1451 |
| Total North America | 1027 |
| Standalone ("Challenge") Games | 946 |
| Video | 30 |
| Multipacks | 30 |
| Software | 1 |
| Total Europe | 105 |
| 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 | $14281.75 |
| Total value | $24506.34 |
| Game Name | M | B | Date Acquired | Purchase Price | Value | Net/loss | Category |
|---|---|---|---|---|---|---|---|
| MLB Slugfest 2004 | 6/23/2022 | Unknown | $13.84 | $0.00 | USA | ||
| Mobile Suit Gundam Seed: Battle Assault | 3/11/2020 | $4.69 | $35.99 | $31.30 | USA | ||
| Momotarou Matsuri | 6/25/2020 | $1.68 | $1.68 | $0.00 | JAP | ||
| Monopoly | 7/30/2019 | $2.08 | $7.48 | $5.40 | USA | ||
| Monster Force | 6/10/2019 | $1.90 | $8.56 | $6.66 | USA | ||
| Monster High: New Ghoul in School | ✔ | ✔ | 10/21/2022 | $5.35 | $24.35 | $19.00 | 3DS |
| Monster House | 6/10/2019 | $1.90 | $7.86 | $5.96 | USA | ||
| Monster Jam: Maximum Destruction | 7/17/2019 | $1.20 | $6.48 | $5.28 | USA | ||
| Monster Rancher Advance | 11/10/2020 | $9.00 | $15.00 | $6.00 | USA | ||
| Monster Rancher Advance 2 | 11/23/2021 | $13.17 | $17.36 | $4.19 | USA | ||
| Monster Truck Madness | 2/13/2019 | $1.22 | $6.09 | $4.87 | USA | ||
| Monster Trucks | 2/13/2019 | $1.22 | $4.39 | $3.17 | USA | ||
| Monster Trucks Mayhem | 2/22/2020 | $4.24 | $3.75 | $-0.49 | USA | ||
| Monster Trucks Quad Fury Double Pack | 7/17/2019 | $1.20 | $2.70 | $1.50 | USA Combo | ||
| Monster! Bass Fishing | 6/10/2019 | $1.90 | $6.00 | $4.10 | USA | ||
| Monster! Bass Fishing [USA-1] | 8/16/2022 | $6.48 | $6.00 | $-0.48 | USA | ||
| Monsters, Inc. | 3/8/2019 | $1.22 | $4.28 | $3.06 | USA | ||
| Mortal Kombat Advance | 6/23/2021 | $10.82 | $24.59 | $13.77 | USA | ||
| Mortal Kombat: Deadly Alliance | 12/13/2021 | $17.13 | $24.99 | $7.86 | USA | ||
| Mortal Kombat: Tournament Edition | 12/13/2021 | $55.17 | $61.42 | $6.25 | USA |