| Arcade Video game |  Mahjong Gunnyuu Kakkyo | 2013 | Techno-Top, Ltd. Japan |
| Apple Store pack. | Mahjong Royal Towers | 2013 | Unknown |
| Sony PSN: PSone Classics pack. |  Mahjong Uranai Fortuna - Tsuki no Megami-tachi Model NPUJ-????? | 2013 | GungHo Online Ent. |
| Sony PSN: PSone Classics pack. | Mahjong Youchien - Tamago Gumi 2 Model NPUF-30039 | 2013 | GungHo Online Ent. |
| Sony PSN: PSone Classics pack. | Mahjong Youchien - Tamago Gumi Model NPUF-30040 | 2013 | GungHo Online Ent. |
| Arcade Video game | maimai Green | 2013 | SEGA Corp. |
| Slot Machine | Majestic Beauty | 2013 | IGT International Game Technologies Reno, NV, USA |
| Sony PlayStation 3 disc | Majo to Hyaku Kihei Model BLJS-10160 | 2013 | Nippon Ichi Soft., Inc. Japan |
| MSX cart. | Malaika Hb | 2013 | Relevo Videogames Spain |
| Apple Store pack. | Man of Steel | 2013 | Unknown |
| Medal video game | Manpuku Suizokukan | 2013 | SEGA Corp. |
| Apple Store pack. | Marbelous! | 2013 | Unknown |
| PC/MS-Windows CD | March of the Eagles | 2013 | Paradox Interactive |
| Slot Machine | Marilyn Purple Lounge | 2013 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Marilyn Wild Fifties | 2013 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Marilyn's Poker II | 2013 | AGI Austrian Gaming Industries Novomatic Group |
| Nintendo Wii U disc | Mario & Sonic at the Olympic Winter Games - Sochi 2014 Model WUP-AURE-USA | 2013 | Nintendo of America, Inc. USA 45496 |
| Arcade Video game | Mario Kart Arcade GP DX | 2013 | NAMCO Bandai Games, Inc. Japan |
| Nintendo Wii disc |  Mario Party 9 Model RVL-SSQK-KOR | 2013 | Nintendo Co., Ltd. Japan |
| PC/MS-Windows CD | Marlow Briggs | 2013 | 505 Games srl Italy |
| PC/MS-Windows CD | Mars - War Logs | 2013 | Focus Home Interactive S.A.S. |
| Apple Store pack. | Marvel - Avengers Alliance | 2013 | Unknown |
| Slot Machine | Marvel IRON MAN | 2013 | WMS Gaming, Inc. Chicago, IL, USA |
| Apple Store pack. | Marvel Pinball | 2013 | Unknown |
| Apple Store pack. | Marvel Puzzle Quest | 2013 | Unknown |
| PC/MS-Windows CD | Marvel Puzzle Quest - Dark Reign | 2013 | D3 Publisher, Inc. |
| Pachinko | Mashin Eiyuu Den Wataru | 2013 | Toyomaru Japan |
| BlackBerry pack. | Mass Effect - Infiltrator | 2013 | Unknown |
| Sony PlayStation 3 disc | Mass Effect 3 Model BLJM-60585 | 2013 | Electronic Arts CA, USA 14633 |
| Apple Store pack. | Master Mind Golf | 2013 | Unknown |
| Apple Store pack. | Master of Alchemy - Vengeance Front | 2013 | Unknown |
| Apple Store pack. | Masteroid | 2013 | Unknown |
| Mattel Intellivision cart. | Match 5 Hb | 2013 | Elektronite |
| Apple Store pack. | Match Fast - 2 Player Game | 2013 | Unknown |
| Apple Store pack. | Math Claw Machine - Sweet Games | 2013 | Unknown |
| Apple Store pack. | Math Duel - 2 Player Math Game | 2013 | Unknown |
| Apple Store pack. | Math vs. Undead - Math Workout | 2013 | Unknown |
| Microsoft XBOX One pack. | Max - The Curse of Brotherhood | 2013 | Unknown |
| Apple Store pack. | Maximus - The Sword of Dawn | 2013 | Unknown |
| Amstrad CPC cass. | Maziacs | 2013 | Unknown |
