| Pachinko |  Mahjong Fight Club | 2018 | Konami Digital Ent. Co., Ltd. |
| Arcade Video game | Mahjong Fight Club GRAND MASTER | 2018 | Konami Digital Ent. Co., Ltd. |
| Arcade Video game | Mahjong Fight Club Luxury | 2018 | Konami Digital Ent. Co., Ltd. |
| Google Play pack. | Mahjong Match Puzzle | 2018 | Mobirix |
| Arcade Video game | maimai FiNALE | 2018 | SEGA Corp. |
| Arcade Video game | maimai MiLK PLUS | 2018 | SEGA Corp. |
| PC/MS-Windows DVD | Majestic Majolical | 2018 | Dazskarat Japan |
| PC/MS-Windows DVD | Majestic Majolical 2 | 2018 | Dazskarat Japan |
| Nintendo Switch cart. | Makai Senki Disgaea Refine Model LA-H-APNGA-JPN | 2018 | Nippon Ichi Soft., Inc. Japan |
| PC/MS-Windows pack. | Mama Farm Model 828600 | 2018 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mana Spark Model 630720 | 2018 | Steam Valve Corp. |
| PC/MS-Windows pack. | Maniac Mansion | 2018 | GOG sp. z o.o. |
| Redemption video game | Mannequin Challenge | 2018 | Touch Magix |
| Google Play pack. | Manor Cafe | 2018 | Gamegos |
| Apple tvOS pack. | Manticore - Galaxy on Fire | 2018 | Unknown |
| Nintendo Switch cart. | Mantis Burn Racing | 2018 | Konami Digital Ent. Co., Ltd. |
| Google Play pack. | Marbre Mission | 2018 | Mobirix |
| Slot Machine | Mariah Carey | 2018 | Aristocrat Leisure Industries Pty, Ltd. |
| Nintendo Switch cart. |  Mario + Rabbids - Kingdom Battle Model LA-H-AC2GA-JPN | 2018 | Nintendo Co., Ltd. Japan |
| Nintendo Switch cart. | Mario Tennis Ace Model LA-H-ALERA-JPN | 2018 | Nintendo Co., Ltd. Japan |
| Nintendo Switch cart. | Mario Tennis Aces Model LA-H-ALERA-UKV | 2018 | Nintendo Co., Ltd. Japan |
| Nintendo Switch cart. | Mario Tennis Aces Model LA-H-ALERA-USA | 2018 | Nintendo of America, Inc. USA 45496 |
| Google Play pack. | Marvel Strike Force | 2018 | FoxNext Games |
| Google Play pack. | Marvel Strike Force | 2018 | Scopely |
| PC/MS-Windows pack. | Mary Skelter - Nightmares | 2018 | GOG sp. z o.o. |
| PC/MS-Windows CD | Masters of Anima | 2018 | Focus Home Interactive S.A.S. |
| Nintendo Switch cart. | Max - The Curse of Brotherhood | 2018 | Wired Productions |
| MSX 3.5in disk | May The Force Be With You Hb | 2018 | Cobinee |
| Online Slot | Mayan Ritual | 2018 | Wazdan |
| MSX cart. | MayQ Buster Hb | 2018 | Cobinee |
| Sinclair ZX Spectrum+3 disk | Maze Death Rally-X Hb | 2018 | Dalby, Tom |
| Google Play pack. | Medicine Dash | 2018 | Tapps Games |
| PC/MS-Windows pack. | Mega Man 11 Model 742300 | 2018 | Steam Valve Corp. |
| Nintendo Switch cart. | Mega Man 11 Model LA-H-ALGCA-USA | 2018 | Capcom USA, Inc. Santa Clara, CA, USA 13388 |
| Nintendo NES cart. |  Mega Man 2 - 30th Anniversary Classic Cartridge | 2018 | Iam8bit, Inc. |
| Nintendo Switch cart. | Mega Man Legacy Collection + Mega Man Legacy Collection 2 | 2018 | Capcom Co., Ltd. Japan |
| PC/MS-Windows pack. | Mega Man X Legacy Collection 2 Model 743900 | 2018 | Steam Valve Corp. |
| PC/MS-Windows pack. | Mega Man X Legacy Collection Model 743890 | 2018 | Steam Valve Corp. |
| PC/MS-Windows pack. | Megadimension Neptunia VIIR Model 774511 | 2018 | Steam Valve Corp. |
| Nintendo Switch cart. | Memories Off - Innocent Fille | 2018 | 5pb. Japan |
