| Mario & Sonic at the London 2012 Olympic Games | SEGA | 7 | |
| Mario + Rabbids: Sparks of Hope | Ubisoft | 7 | |
| Mario Sports Superstars | Nintendo | 5 | |
| Mario vs. Donkey Kong | Nintendo | 7 | |
| Marvel vs. Capcom: Infinite | Capcom | 5 | |
| Mass Effect 3: Special Edition | EA | 9 | |
| Mass Effect Legendary Edition | EA | 7 | |
| Master Detective Archives: Rain Code | Spike Chunsoft | 6 | |
| Metal Gear Solid V: Ground Zeroes | Konami | 4 | |
| Metal Gear Solid V: The Phantom Pain | Konami | 5 | |
| Metroid Prime: Federation Force | Nintendo | 6 | |
| Mighty Switch Force! 2 | WayForward | 8 | |
| Minutes | Red Phantom | 8 | |
| Mortal Kombat X | Warner Bros. | 8 | |
| MUSYNX | PM Studios | 7 | |