| Mamegoma 3 - Kawaii ga Ippai! | 2010 | nds |
| Manga-ka Debut Monogatari DS - Akogare! Manga-ka Ikusei Game | 2005 | nds |
| Matching Maker 2 - Zoku Boku no Machi-zukuri | 2006 | ps2 |
| Me & My Pets 3D | 2014 | 3ds |
| Mein neues Leben - Abenteuer auf Tropicana | 2011 | wii |
| Miami Nights - Singles in the City | 2008 | nds |
| Miitopia | 2021 | switch |
| Mission Runway | 2008 | nds |
| Mokjjangiyagi - Colobockle Station | 2009 | nds |
| Mokjjangiyagi - Colobockle Station for Girl | 2009 | nds |
| Monster Rancher 4 | 2003 | ps2 |
| Monster Rancher Evo | 2005 | ps2 |
| Motion Gravure Series - Kitagawa Tomomi | 2003 | ps2 |
| Motion Gravure Series - Megumi | 2003 | ps2 |
| Motion Gravure Series - Mori Hiroko | 2003 | ps2 |
| Motion Gravure Series - Nemoto Harumi | 2003 | ps2 |
| Motto! Hamster to Kurasou - Akachan ga Umareta yo | 2009 | nds |
| Moxie Girlz | 2011 | nds |
| Mujintou Monogatari R - Futari no Love Love Island | 1998 | saturn |
| Music Star - I Wanna Be a Popstar | 2004 | nds |
| My Animal Centre | 2008 | nds |
| My Arctic Farm | 2014 | wiiu |
| My Baby - Boy | 2008 | nds |
| My Baby - Girl | 2008 | nds |
| My Baby 2 - Boy & Girl | 2009 | nds |
| My Baby 3 & Friends | 2010 | nds |
| My Ballet Studio | 2009 | nds |
| My Best Friends - Cats & Dogs | 2007 | nds |
| My Boyfriend | 2008 | nds |
| My Boyfriend - Der Sommer Meines Lebens | 2008 | nds |
| My Boyfriend - Verliebt in einen Star | 2009 | nds |
| My Dangerous Pet - Spider | 2009 | nds |
| My DoItAll | 2010 | nds |
| My Dress-Up | 2008 | nds |
| My Friends | 2009 | nds |
| My Happy Kitchen | 2008 | nds |
| My Hero - Doctor | 2009 | nds |
| My Home Dream 2 - Niwatsuki Ikkodate de, Ikou! | 1999 | ps1 |
| My Horse & Me 2 | 2004 | nds |
| My Little Baby | 2011 | nds |
| My Little Baby | 2011 | wii |
| 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 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 Shop | 2004 | nds |
| My Puppy Shop | 2004 | nds |
| My Riding Stables: Life with Horses | 2018 | switch |
| My Secret Diary | 2004 | nds |
| 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 |
| MySims - Kingdom | 2008 | nds, wii |
| 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 Series 1 - Kawaii Hamster | 2000 | gbc |
| Nakayoshi Pet Series 2 - Kawaii Usagi | 2000 | gbc |
| Neko Tomo | 2018 | 3ds |
| Neverway | 2027 | switch |
| New How's 1 - Front How's | 1994 | 3do |
| New Love Plus | 2012 | 3ds |
| Nursery Mania | 2010 | nds |
| Ochaken no Daibouken 2 - Yume Ippai no Omocha Bako | 2008 | nds |
| Ochaken no Heya DS | 2006 | nds |
| Ochaken no Heya DS 2 | 2007 | nds |
| Ochaken no Heya DS 3 | 2008 | nds |
| On Your Tail | 2024 | switch |
| Oneesan to Issho! Kisekae Paradise | 1995 | 3do |
| Ooblets | 2022 | switch |
| Orange Season | 2024 | switch |
| Ore ni Hatarakette Iwaretemo - Tori | 2016 | vita |
| Ore ni Hatarakette Iwaretemo Otsu HD | 2014 | vita |
| Ore-Sama Kingdom - Koi mo Manga mo Debut o Mezase! Doki Doki Love Lesson | 2011 | nds |
| Oshare de Kawaii! Koinu to Asobo! Machi-Hen | 2013 | 3ds |
| Oshare de Kawaii! Koinu to Asobo! Umi-Hen | 2013 | 3ds |
| Oshare na Koinu DS | 2011 | nds |
| Ouka Houshin - Ouka Sakishi Toki | 1999 | dreamcast |
| Our House | 2009 | nds |
| PAQA | 1999 | ps1 |
| Pawly Pets - My Pet Hotel | 2004 | nds |
| Paws & Claws - Pampered Pets | 2009 | nds |
| Paws & Claws - Pampered Pets Resort 3D | 2012 | 3ds |
| Paws & Claws - Regal Resort | 2010 | nds |
| Penguin Seikatsu | 2010 | wii |
| Persona 5 - Dancing In Starlight - Song Fate Is In Our Hands - Special Edition of Persona 3 Movie Version | | vita |
| Persona 5 - Dancing In Starlight - Song More Than One Heart - Special Edition of Persona 3 Movie Version | | vita |
| Persona 5 - Dancing in Starlight - P3D-P5D - Fate is In Our Hands - P3 THE MOVIE - special edit | | vita |
| Persona 5 - Dancing in Starlight - P3D-P5D - More Than One Heart - P3 THE MOVIE - special edit | | vita |