| Mary-Kate and Ashley - Pocket Planner | 2000 | gbc |
| Master Merlin | 1982 | arcade |
| Mega Minis Volume 1 | 2011 | psp |
| Mega Minis Volume 2 | 2011 | psp |
| Mega Minis Volume 3 | 2011 | psp |
| Memories Off - After Rain | 2009 | psp |
| Metal Gear Solid - Digital Graphic Novel | 2006 | psp |
| Micrologic 20 | 1999 | arcade |
| Midway Arcade Treasures - Extended Play | 2005 | psp |
| Minna de Dokusho - Keitai Shousetsu Desuu | | psp |
| Minna de Dokusho - Meisaku & Suiri & Kaidan & Bungaku | 2008 | psp |
| Minna de Kitaeru Zenno Training | 2007 | arcade |
| Minna no Chizu | 2006 | psp |
| Minna no Chizu 2 | 2007 | psp |
| Minna no Chizu 2 Chiikiban - Higashi Nihon hen | 2007 | psp |
| Minna no Chizu 2 Chiikiban - Naka Nihon hen | 2007 | psp |
| Minna no Chizu 2 Chiikiban - Nishi Nihon hen | 2007 | psp |
| Minna no Chizu 3 | 2008 | psp |
| Minna no Navi | 2009 | psp |
| Minna no Sukkiri | 2009 | psp |
| MobileWonderGate | 2000 | ws |
| Model 5500 Temperature Controller | 1986 | arcade |
| Momotarou Dentetsu Tag Match - Yuujou - Doryoku - Shouri no Maki! | 2010 | psp |
| Monopoly | 1999 | gamecom |
| Mr. BASIC Meets Bits 'N Bytes | 1983 | intv |
| Mr. Challenger | 1979 | arcade |
| Muehle, Tontauben-Schiessen, Kreatives Malspiel, Videoscope | 1976 | channelf |
| Muppet Adventure - Chaos at the Carnival | 1990 | nes |
| The Muppets - On with the Show! | 2003 | gba |
| MyStylist | 2008 | psp |
| NIV Bible & the 20 Lost Levels of Joshua | 1996 | gb |
| NSYNC - Get to the Show | 2001 | gbc |
| Namco Museum | 2005 | psp |
| Naruhodo! The World | 1994 | snes |
| Nazoler Land - Dainigou | 1987 | fds |
| Nihon Pro Mahjong Renmei Kounin - Tetsuman | 1999 | ws |
| Nimble Numbers Ned | 1982 | o2 |
| Nippon no Asoko de | 2008 | psp |
| Nogizaka Haruka no Himistu - Doujinshi Hajimemashita | | psp |
| Number Jumble | 1983 | intv |
| Numbers Paradise | 1996 | snes |
| Online Chess Kingdoms | 2006 | psp |
| Onore no Shinzuru Michi o Yuke | 2009 | psp |
| The Oregon Trail | 2024 | ps4 |
| Otsuge Uranainandesu | 2008 | psp |
| PDC M2 | 2009 | arcade |
| PVE-500 | 1995 | arcade |
| PachiPara Slot - Pachi-Slot Super Umi Monogatari in Okinawa | 2011 | psp |
| Pachifever | 1983 | arcade |
| Pachinka Mania P - CR Tekkenden Tough | 2010 | psp |
| Parodius Portable | 2007 | psp |
| Passpartout 2: The Lost Artist | 2023 | switch |
| Passport to... Amsterdam | 2006 | psp |
| Passport to... Paris | 2006 | psp |
| Passport to... Prague | 2006 | psp |
| Passport to... Rome | 2006 | psp |
| Payout - Poker & Casino | 2006 | psp |
| Personal Speech System | 1982 | arcade |
| Pico Park 2 | 2024 | switch, xboxone |
| Picture Magic | 1996 | arcade |
| Planetarium Creator Ohira Takayuki Kanshuu - Homestar Portable | 2006 | psp |
| PlayStation Network Collection - Power Pack | 2008 | psp |
| PlayStation Network Collection - Puzzle Pack | 2008 | psp |
| Pokonyan! Balloon | 1994 | arcade |
| Polly Pocket! - Super Splash Island | 2003 | gba |
| Poop Slinger | 2018 | ps4 |
| Portraits | 1983 | arcade |
| Power Stone Collection | 2006 | psp |
| PowerVu D9234 Business Satellite Receiver | 1997 | arcade |
| Pro Atlas Travel Guide | 2007 | psp |
| Prose 2000/2020 | 1982 | arcade |
| Quiz Wiz - Cyber Trivia | 1997 | gamecom |
| Rackets & Rivals | 1993 | nes |
| Res Arcana - Diana Ray - Uranai no Meikyuu | 1995 | snes |
| Reversi Sensory Challenger | 1981 | arcade |
| S-80 | 1988 | arcade |
| SD Gundam G Next | 1995 | snes |
| SNK Arcade Classics 0 | 2011 | psp |
| SNK Arcade Classics Vol. 1 | 2008 | psp |
| SNSP Aging Ver 1.02 | | snes |
| Saikyou Shogi Bonanza | 2008 | psp |
| Saikyou Toudai Shogi Deluxe | 2009 | psp |
| Saikyou Toudai Shogi Portable | 2005 | psp |
| Saki Portable | 2010 | psp |
| Salamander Portable | 2007 | psp |
| Samurai | 1979 | o2 |
| Sandbox PCI PC | 1998 | arcade |
| Sandbox PCI/AGP PC | 1999 | arcade |
| Sansa Fuze 2 | | arcade |
| Scrabble | 1999 | gamecom |
| Scrabble | 1994 | genesis |
| Scrabble | 2009 | psp |
| Sengoku Efuda Yuugi - Hototogisu Ran | 2008 | psp |
| Sengoku Efuda Yuugi - Hototogisu Tairan | 2010 | psp |
| Serizawa Hachidan no Tsumeshougi | 1983 | sg1000 |
| Sherlock Holmes - The Mystery of the Frozen City | 2012 | 3ds |
| The Shinri Game - Akuma no Kokoroji | 1993 | snes |
| The Shinri Game 2 - Magical Trip | 1995 | snes |
| The Shinri Game 3 | 1995 | snes |
| Shogi World Champion - Gekisashi Portable | 2010 | psp |