| My Dangerous Pet - Spider | 2009 | nds |
| My DoItAll | 2010 | nds |
| My Dogs Paradise | 2008 | nds |
| My Dolphin | 2009 | wii |
| My Dream - On Air ga Matenakute | 1997 | ps1, saturn |
| My Dress-Up | 2008 | nds |
| My Exotic Farm | 2013 | 3ds |
| My Exotic Farm | 2014 | wiiu |
| My Farm | 2014 | wiiu |
| My Farm Around the World | 2008 | nds |
| My Fireplace | 2010 | wii |
| My Friends | 2009 | nds |
| My Garden | 1999 | ps1 |
| My Happy Kitchen | 2008 | nds |
| My Hero - Doctor | 2009 | nds |
| My Home Dream | 1997 | ps1 |
| My Home Dream 2 - Niwatsuki Ikkodate de, Ikou! | 1999 | ps1 |
| My Home Dream 2 - Niwatsuki Ikkodate de, Ikou! | 1999 | ps1 |
| My Home o Tsukurou 2 - Juujitsu! Kantan Sekkei!! | 2006 | ps2 |
| My Home o Tsukurou 2! Takumi | 2005 | ps2 |
| My Home o Tsukurou! Make Your Dream Home | 2002 | ps2 |
| My Horse & Me | 2007 | nds, wii |
| My Horse & Me 2 | 2004 | nds |
| My Horse & Me 2 | 2008 | wii, xbox360 |
| My Horse Club | 2008 | nds |
| My Horse Club - On the Trail of the Mysterious Appaloosa | 2009 | wii |
| My Jurassic Farm | 2014 | wiiu |
| My Little Baby | 2011 | nds |
| My Little Baby | 2011 | wii |
| My Little Flufties | 2007 | nds |
| My Make-Up | 2004 | nds |
| My Pet Beauty Salon | 2004 | nds |
| My Pet Chimp | 2010 | nds |
| My Pet Dolphin | 2004 | nds |
| My Pet Dolphin 2 | 2008 | nds |
| My Pet Hotel | 2008 | wii |
| My Pet Hotel 2 | 2008 | nds |
| My Pet Kitten | 2004 | nds |
| My Pet Parrot | 2009 | nds |
| My Pet Pony | 2004 | nds |
| My Pet Puppy | 2004 | nds |
| My Pet Puppy 3D | 2012 | 3ds |
| My Pet School | 2008 | nds |
| My Pet Shop | 2004 | nds |
| My Pet Zoo Vet | 2008 | nds |
| My Planetarium | 2010 | wii |
| My Pokemon Ranch | 2008 | wii |
| My Puppy Shop | 2004 | nds |
| My Riding Stables 3D - Jumping for the Team | 2013 | 3ds |
| My Riding Stables: Life with Horses | 2018 | switch |
| My Secret Diary | 2004 | nds |
| My Singing Monsters | 2014 | vita |
| My Starry Night | 2010 | wii |
| My Style Studio - Hair Salon | 2013 | 3ds, wiiu |
| My Time at Sandrock | 2023 | ps4, switch, xboxone |
| My Universe: Cooking Star Restaurant | 2020 | ps4, switch |
| My Universe: Fashion Boutique | 2020 | ps4, switch |
| My Universe: Interior Designer | 2021 | switch |
| My Universe: My Baby | 2020 | ps4 |
| My Universe: Pet Clinic Cats & Dogs | 2020 | ps4, switch |
| My Universe: School Teacher | 2020 | ps4, switch |
| My Vet Practice | 2008 | wii |
| My Vet Practice - In Australia | 2009 | nds |
| My Vet Practice 3D - In the Country | 2013 | 3ds |
| My Zoo | 2009 | wii |
| My Zoo - Vet Practice 3D | 2015 | 3ds |
| MySims | 2007 | nds, wii |
| MySims - Kingdom | 2008 | nds, wii |
| MySims - SkyHeroes | 2010 | nds, ps3, wii, xbox360 |
| Mystic Mind - Yureru Omoi | 1998 | ps1 |
| N Gauge Unten Kibun Game - Gatan Goton | 1999 | ps1 |
| N.U.D.E.@ - Natural Ultimate Digital Experiment | 2003 | xbox |
| Nakayoshi Cooking Series 1 - Oishii Cake-ya-san | 2000 | gbc |
| Nakayoshi Cooking Series 3 - Tanoshii Obentou | 2001 | gbc |
| Nakayoshi Cooking Series 4 - Tanoshii Dessert | 2001 | gbc |
| Nakayoshi Pet Advance Series 4 - Kawaii Koinu Mini - Wanko to Asobou!! Kogata-ken | 2003 | gba |
| Nakayoshi Pet Series 1 - Kawaii Hamster | 2000 | gbc |
| Nakayoshi Pet Series 2 - Kawaii Usagi | 2000 | gbc |
| Namanui Collection - Girls Style | 2010 | nds |
| Nana | 2005 | ps2 |
| Natsuiro Kenjutsu Komachi | 2000 | ps1 |
| Naval Assault - The Killing Tide | 2010 | xbox360 |
| Naval Ops - Commander | 2004 | ps2 |
| Naval Ops - Warship Gunner | 2003 | ps2 |
| Navit | 1998 | ps1 |
| Nectaris | 2010 | wii |
| Need a Packet | 2020 | vita |
| Neko Daisuki! | 1996 | gg |
| Neko Tomo | 2018 | 3ds |
| Neo Atlas 1469 | 2018 | switch |
| Neo Atlas 1469 | 2016 | vita |
| Neo Planet | 1996 | ps1 |
| Neon Genesis Evangelion - Shito Ikusei | 1999 | ws |
| Neues | 2000 | ps1 |
| Neverway | | switch |
| New Frontier Days: Founding Pioneers | 2017 | switch |
| New How's 1 - Front How's | 1994 | 3do |
| New Love Plus | 2012 | 3ds |
| New Star Manager | 2019 | ps4 |
| Nicola Kanshuu - Model Oshare Audition 2 | 2011 | 3ds |