| Philips VG-5000 cass. |  Machaon Hb | 2012 | Monchatre, Hervé |
| PC/MS-Windows pack. | Machinarium - Collector's Edition | 2012 | GOG sp. z o.o. |
| Nintendo Wii disc | Madden NFL 13 | 2012 | EA Sports |
| PC/MS-Windows pack. |  Magic - The Gathering — Duels of the Planeswalkers 2012 Demo Model 49480 | 2012 | Steam Valve Corp. |
| Redemption mechanical game | Magic Ball | 2012 | VdW International Van de Wege Group Brussels, Belgium |
| Slot Machine | Magic Hat | 2012 | Cadillac Jack Duluth, GA, USA |
| Slot Machine | Magic Joker II | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Magic Pharaoh LV | 2012 | Marim srl Moncalieri, TO, Italy |
| PC/MS-Windows CD | Magic The Gathering - Duels of the Planeswalkers 2013 | 2012 | Wizards of the Coast |
| Taito NESiCAxLive pack. | Magical Beat | 2012 | Arc System Works |
| Pachislot | Mahalo - Welcome to a True Paradise! | 2012 | Kitac Kita Denshi Corp. Japan |
| Slot Machine | Mahjong Dynasty | 2012 | Incredible Technologies, Inc. Rolling Meadows, IL, USA |
| Arcade Video game | Mahjong Fight Club Next | 2012 | Konami Digital Ent. Co., Ltd. |
| Pachislot | Mahjong Monogatari 2 - Gekitou! Mahjong Grand Prix | 2012 | Heiwa Japan |
| Arcade Video game | Mahjong Renchan - Light Version | 2012 | Techno-Top, Ltd. Japan |
| Arcade Video game | maimai | 2012 | SEGA Corp. |
| Arcade Video game | maimai PLUS | 2012 | SEGA Corp. |
| Pachislot | Maison Ikkoku Natsuiro no kaze To | 2012 | Heiwa Japan |
| Sony PlayStation 3 disc | Maji de Watashi ni Koi Shinasai! R Model BLJM-60430 | 2012 | Minato Station Japan |
| Google Play pack. | Major Mayhem | 2012 | Adult Swim Games |
| Sony PSN: PSone Classics pack. |  Makeruna! Makendou 2 Model NPUJ-????? | 2012 | GungHo Online Ent. |
| Slot Machine | Marilyn Blue Star | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Marilyn Red Carpet | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Marilyn's Diamonds | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Marilyn's Poker Gold | 2012 | AGI Austrian Gaming Industries Novomatic Group |
| Video Slot Machine | Marim Mystery Model MM10C | 2012 | Marim srl Moncalieri, TO, Italy |
| Nintendo Wii disc |  Mario Party 9 Model RVL-SSQE-USA | 2012 | Nintendo of America, Inc. USA 45496 |
| Nintendo Wii disc | Mario Party 9 Model RVL-SSQJ-JPN | 2012 | Nintendo Co., Ltd. Japan |
| Nintendo Wii disc | Mario Party 9 Model RVL-SSQP-AUS | 2012 | Nintendo Co., Ltd. Japan |
| Nintendo Wii disc | Mario Party 9 Model RVL-SSQP-EUR | 2012 | Nintendo of Europe GmbH 45496 |
| Nintendo Wii disc | Mario Party 9 Model RVL-SSQW-TWN | 2012 | Nintendo Co., Ltd. Japan |
| Medal video game | Mario Party Whirling Carnival | 2012 | Capcom Co., Ltd. Japan |
| Sinclair ZX Spectrum cass. | Maritrini - Freelance Monster Slayer Hb | 2012 | Mojon Twins, The |
| PC/MS-Windows CD | Mark of the Ninja | 2012 | Microsoft |
| Microsoft XBOX 360 disc | Mass Effect 3 | 2012 | Electronic Arts CA, USA 14633 |
| PC/MS-Windows CD | Mass Effect 3 | 2012 | Electronic Arts CA, USA 14633 |
| Nintendo Wii U disc | Mass Effect 3 - Special Edition | 2012 | Electronic Arts CA, USA 14633 |
| Sony PlayStation 3 disc | Mass Effect 3 Model BLAS-50454 | 2012 | Electronic Arts CA, USA 14633 |
| Sony PlayStation 3 disc | Mass Effect 3 Model BLES-01462 | 2012 | Electronic Arts CA, USA 14633 |
| Sony PlayStation 3 disc | Mass Effect 3 Model BLJM-60427 | 2012 | Electronic Arts CA, USA 14633 |
