| Game | Platform | Release Date | Overview | Front Cover | Back Cover | Fan Art | Title Screen | Screenshots | Clear Logo |
|---|---|---|---|---|---|---|---|---|---|
| Maid of Sker #124101 | Microsoft Xbox Series X | 2020-07-28 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maid of Sker #126210 | Microsoft Xbox One | 2020-07-28 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Maid of Sker [Download Code Only] #111536 | Nintendo Switch | 1970-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maid's Crisis #134465 | Nintendo Game Boy | 2025-06-23 | ✓ | ✓ | Missing | Missing | ✓ | ✓ | Missing |
| Mail de Cute #46339 | Nintendo Game Boy Advance | 2002-02-14 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Mail Mole #117013 | Nintendo Switch | 2023-07-14 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Mail Mole [Collector's Edition] #104084 | Nintendo Switch | 2022-06-17 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Mail Mole + 'Xpress Deliveries #100123 | PC | 2021-03-04 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Mail Order Monsters #32049 | Commodore 64 | 1985-10-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Mail Order Monsters #108736 | Atari 800 | 1985-10-01 | ✓ | ✓ | ✓ | Missing | ✓ | ✓ | Missing |
| Mail Plane #36979 | Vectrex | 1983-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Mail Time #143894 | PC | 2023-04-27 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| maimai #124633 | Arcade | 2012-07-11 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| maimai GreeN #124640 | Arcade | 2013-07-11 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| maimai GreeN PLUS #124641 | Arcade | 2014-02-26 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| maimai ORANGE #124650 | Arcade | 2014-09-18 | Missing | Missing | Missing | Missing | Missing | Missing | Missing |
| maimai ORANGE PLUS #124653 | Arcade | 2015-12-10 | Missing | Missing | Missing | Missing | Missing | Missing | Missing |
| maimai PLUS #124639 | Arcade | 2012-12-13 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Main Assembly #85268 | PC | 2021-01-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Main Event #45063 | Arcade | 1984-05-01 | ✓ | ✓ | Missing | Missing | ✓ | ✓ | ✓ |
| Main Sequence #140752 | PC | 2026-11-12 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Main Stadium #49504 | Arcade | 1989-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Main-Line #136873 | BBC Micro | 1982-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Mainframe Defenders #100581 | Sony Playstation 4 | 2021-10-22 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Mainframe Defenders #108168 | PC | 2020-02-25 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| MainFrames #131358 | Nintendo Switch | 2025-04-05 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| MainFrames #137047 | PC | 2025-03-06 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Mainichi Kawaru Quiz Bangumi Days 365 #83989 | Sega Saturn | 1996-03-15 | Missing | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Maison Ikkoku #33507 | TurboGrafx 16 | 1989-08-04 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Maison Ikkoku #36600 | MSX | 1987-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Maison Ikkoku #40563 | Nintendo Entertainment System (NES) | 1988-07-21 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Maison Ikkoku Final #36601 | MSX | 1988-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Maisy's Playhouse #84621 | PC | 1999-08-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maitetsu: Pure Station #75191 | Nintendo Switch | 2020-01-16 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maitetsu: Pure Station #106479 | Sony Playstation 4 | 2018-07-26 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maize #60302 | PC | 2016-12-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Maize #60303 | Sony Playstation 4 | 2016-01-12 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maize #60305 | Microsoft Xbox One | 2016-09-12 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Majaventure: Mahjong Senki #40564 | Nintendo Entertainment System (NES) | 1990-10-19 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majestic Alien Encounter #70551 | PC | 1995-01-01 | Missing | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Majestic Chess #21327 | PC | 1970-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majesty #52951 | PC | 2000-02-29 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majesty 2 Collection #78359 | PC | 2011-04-19 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majesty 2: The Fantasy Kingdom Sim #52927 | PC | 2009-09-17 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Majesty Gold #97284 | PC | 2002-01-02 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majesty Gold HD #26547 | PC | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing | |
| Majesty: The Fantasy Kingdom Sim [Gold Edition] #114778 | PC | 2012-03-21 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Majesty: The Fantasy Kingdom Sim [Gold Edition] #124167 | PC | 2002-01-02 | ✓ | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Majesty: The Northern Expansion #70137 | PC | 2001-03-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Maji de Watashi ni Koi Shinasai! #27482 | PC | 2009-08-28 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |