Sony PSP cheats: M titles
| Game | Cheats | Updated |
|---|---|---|
| Major League Baseball 2K9 | 1 | Nov 1st 2009 |
| Makai Senki Disgaea Portable | 1 | Jul 18th 2007 |
| Marvel Nemesis: Rise of the Imperfects | 5 | Aug 25th 2005 |
| Marvel: Ultimate Alliance 2 | 9 | Nov 1st 2009 |
| Medal of Honor Heroes | 11 | Dec 3rd 2006 |
| MediEvil Resurrection | 3 | Dec 14th 2005 |
| Mega Man Legends | 3 | Sep 1st 2005 |
| Mega Man Maverick Hunter X | 24 | Feb 23rd 2006 |
| Mega Man Powered Up | 4 | Mar 10th 2006 |
| Mercury | 2 | Dec 16th 2004 |
| Metal Gear Acid | 7 | Dec 16th 2004 |
| Metal Gear Solid: Portable Ops | 21 | Jan 20th 2007 |
| Midnight Club 3: DUB Edition | 15 | Aug 23rd 2005 |
| Mind Quiz | 1 | Jul 18th 2007 |
| Minna no Golf Portable | 11 | Dec 14th 2005 |
| MLB | 11 | Aug 23rd 2005 |
| MLB '06: The Show | 1 | Apr 27th 2006 |
| MLB '07: The Show | 10 | Jul 18th 2007 |
| Monster Hunter Freedom | 9 | Aug 11th 2006 |
| Mortal Kombat: Unchained | 1 | Jan 6th 2007 |
| MotoGP | 1 | Jul 18th 2007 |
| MVP Baseball | 1 | Aug 23rd 2005 |
| MX vs. ATV Unleashed: On the Edge | 15 | Mar 10th 2006 |