| Sony PSP UMD |  Metal Slug Anthology | 2007 | Ignition Ent., Ltd. |
| Sony PSP UMD | Metal Slug Complete Model ULJS-00090 | 2007 | SNK Playmore Japan |
| Sony PSP UMD | Metal Slug Complete Model ULJS-00090 | 2007 | SNK Playmore Japan |
| Sony PSP UMD | Metal Slug XX | 2010 | Atlus Co., Ltd. Japan |
| Sony PSP UMD | Micro Machines V4 | 2006 | Codemasters Soft. Co., Ltd., The 015026 |
| Sony PSP UMD | Midnight Club - L.A. Remix Model ULUS-10383 | 2008 | Rockstar Games |
| Sony PSP UMD | Midnight Club 3 - DUB Edition Model ULES-00108 | 2005 | Rockstar Games |
| Sony PSP UMD | Midnight Club 3 - DUB Edition Model ULUS-10021 | 2005 | Rockstar Games |
| Sony PSP UMD | Midway Arcade Treasures Extended Play Model ULES-00180 | 2006 | Midway Home Ent. |
| Sony PSP UMD | Midway Arcade Treasures Extended Play Model ULUS-10059 | 2005 | Midway Home Ent. |
| Sony PSP UMD | Mind Quiz | 2006 | Ubisoft Ent. Montreuil sous Bois, France |
| Sony PSP UMD | Minna no Golf Portable | 2004 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PSP UMD | Minna no Golf Portable - Coca Cola Special Edition | 2005 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PSP UMD | Misshitsu no Sacrifice Model ULJS-00251 | 2010 | D3 Publisher, Inc. |
| Sony PSP UMD | MLB 06 - The Show Model UCUS-98624 | 2006 | Sony Computer Ent. America SCEA CA, USA |
| Sony PSP UMD | Monochrome | 2010 | CyberFront Corp. Japan |
| Sony PSP UMD |  Monster Hunter Freedom 2 Model ULES-00851 | 2007 | Capcom Eurosoft Ltd. London, England 055060 |
| Sony PSP UMD | Monster Hunter Freedom 2 Model ULKS-46152 | 2007 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Freedom 2 Model ULUS-10266 | 2007 | Capcom Ent., Inc. USA 13388 |
| Sony PSP UMD |  Monster Hunter Freedom Unite - GameStop Demo Model ULUS-90003 | 2009 | Capcom Ent., Inc. USA 13388 |
| Sony PSP UMD | Monster Hunter Freedom Unite Model ULES-01213 | 2009 | Capcom Eurosoft Ltd. London, England 055060 |
| Sony PSP UMD | Monster Hunter Freedom Unite Model ULKS-46202 | 2009 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Freedom Unite Model ULUS-10391 | 2009 | Capcom Ent., Inc. USA 13388 |
| Sony PSP UMD | Monster Hunter Freedom Model ULES-00318 | 2006 | Capcom Eurosoft Ltd. London, England 055060 |
| Sony PSP UMD | Monster Hunter Freedom Model ULUS-10084 | 2006 | Capcom Ent., Inc. USA 13388 |
| Sony PSP UMD | Monster Hunter Portable 2nd G Model ULJM-05500 | 2008 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Portable 2nd G Model ULKS-46177 | 2008 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Portable 2nd Model ULJM-05156 | 2007 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Portable 3rd Model ULJM-05800 | 2010 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Portable Model UCKS-45036 | 2006 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Hunter Portable Model ULJM-05066 | 2005 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Monster Kingdom - Jewel Summoner | 2007 | Atlus Co., Ltd. Japan |
| Sony PSP UMD | Mortal Kombat Unchained Model ULUS-10102 | 2006 | Midway Home Ent. |
| Sony PSP UMD | MotoGP | 2006 | Sony Computer Ent. Europe SCEE |
| Sony PSP UMD | Motto NUGA-CEL! Nurture Garment Celebration Model ULJM-05654 | 2010 | Idea Factory Co., Ltd. Japan |
| Sony PSP UMD | MTX Mototrax | 2006 | Activision Publishing, Inc. Los Angeles, CA, USA 47875 |
| Sony PSP UMD | MVP Baseball | 2005 | Electronic Arts CA, USA 14633 |
| Sony PSP UMD | MX vs. ATV - On the Edge Model ULUS-10071 | 2006 | T-HQ, Inc. Toy HeadQuarters |
| Sony PSP UMD | My Spanish Coach | 2008 | Ubisoft Ent. Montreuil sous Bois, France |
| Sony PSP UMD | Myst | 2006 | SEGA Corp. |
