| title | developer | year | platform | | pop. |
|---|
| 0 Ji no Kane to Cinderella ~Halloween Wedding~ | QuinRose | 2015 | PS Vita | adventure | | | label | |
| 00 mem.: ~Le Chat~ | MadArtist | 2009 | Windows | adventure | image | | label | |
| 1 Billion Rupiah Girl | EVE PROJECT | 2010 | Linux | adventure | | | label | |
| 1 Billion Rupiah Girl | EVE PROJECT | 2010 | Windows | adventure | image | | label | |
| 1/2 Summer | Alcot Honey Comb | 2012 | Windows | adventure | image | | label | |
| 10 Aku - Angel and Devil | Studio e.Go! | 2003 | Windows | adventure Manga | image | | label | |
| 10 nin Yaru! ~Soshite Densetsu e~ | Circle Lolipop | 2011 | Windows | adventure | image | | label | |
| 11 Eyes: CrossOver | Lass | 2009 | X360 | adventure | image | | label | |
| 110 ~Sanfujinka Shikeishuu Byouin Jack | G.J? | 2014 | Windows | adventure Erotic | image | | label | |
| 11eyes -Resona Forma- | Lass | 2011 | Windows | adventure | image | | label | |
| 11eyes -Tsumi to Batsu to Aganai no Shōjo- | Lass | 2008 | Windows | adventure Fantasy | image | | label | |
| 12 o'clock bell and Cinderella ~ Halloween Wedding ~ | QuinRose | 2012 | PSP | adventure | image | | label | |
| 12.31.12 HERO Prologue | flowchart media | 2012 | Linux | adventure | | | label | |
| 12+ | anisetta | 2011 | Windows | adventure | image | | label | |
| 120-en no Haru: 120 Yen Stories | NEC | 2005 | PS2 | adventure | image | | label | |
| 12nin no Onna Kyoushi Re-Innovation -In- | Carmine | 2007 | Windows | adventure | image | | label | |
| 12Riven - The Psi-Climinal of Integral | Cyber Front | 2009 | PSP | adventure | image | | label | |
| 12Riven: The Psi-Climinal of Integral | CyberFront;KID | 2008 | PS2 | adventure Manga | image | subject | label | |
| 12RIVEN: the Ψcliminal of integral | CyberFront;KID | 2008 | Windows | adventure Manga | image | | label | |
| 13 Sentinels: Aegis Rim | Vanillaware | 2022 | Switch | adventure role-play Fantasy | image | subject | label | |
| 15 Sai Datta | Arkham | 2007 | Windows | adventure | image | | label | |
| 2 Gatsu 14 Nichi no Gogo ~Matto Hen~ | Yokubou no Tou | 2012 | Windows | adventure | image | | label | |
| 2 x 4! -Hitotsu Yane no Shita de- | Mu | 2003 | Windows | adventure | image | | label | |
| 20,000 Leagues Under the Sea | Coktel Vision | 1988 | Amiga | adventure Science Fiction | image | subject | label | |
| 2069AD | Home Data | 1991 | NEC PC9801 | adventure Manga | image | | label | |
| 24-ji no Kane to Cinderella: Halloween Wedding | QuinRose | 2013 | PSP | adventure | image | | label | |
| 24-ji, Kimi no Heart wa Nusumareru ~Kaitou Jade~ | Pink Clover | 2017 | Windows | adventure | image | | label | |
| 25c -Sono Hako wa Shoujo no Himei o Morasanai- | Lucha Libre | 2011 | Windows | adventure | image | | label | |
| 2jigen Shoujo ni Hogosaremashita | Heat-Soft | 2009 | Windows | adventure | image | | label | |
| 2nd LOVE | Force | 2000 | Windows | adventure | image | | label | |
| 2nd Teen Story: X-mas | CreaNyu | 2011 | Linux | simulation role-play | | | label | |
| 30 Kilowatt Hours Left | Tofu Sheets Visual | 2016 | Linux | | | | label | |
| 31 - Iwayuru Hitotsu no Chou Lovely na Bouken Katsugeki | Altacia | 1995 | NEC PC9801 | adventure Manga | image | | label | |
| 31BR | genericuser | 2008 | Linux | adventure | | | label | |
| 38000 Kilo no Kokū | System Sacom | 1989 | X68000 | adventure Science Fiction | image | | label | |
| 3days ~Michiteyuku Toki no Kanata de~ | Skydark Chen | 2011 | PS3 | adventure | image | | label | |
| 3days ~Michiteyuku Toki no Kanata de~ | Skydark Chen | 2011 | Android | adventure | | | label | |
| 3jigen Shoujo o Hogo Shimashita | Heat-Soft | 2008 | Windows | adventure | image | | label | |
| 3line:cross0 | Kirue | 2010 | Windows | adventure | image | | label | |
| 3M -Marionettes manipulate the marionette- | Hyperiyon | 2012 | Windows | adventure | image | | label | |
| 3x3 Eyes - Sanjiyan Henjyo | Nihon Create | 1994 | PC Engine CD | adventure Manga | image | | label | |
| 3x3 Eyes ~Sanjiyan Henjou~ | Nihon Create | 1994 | PC Engine | adventure | image | | label | |
| 40 Minutes to Eternity | author | 2013 | Linux | adventure | | | label | |
| 428: Fūsa Sareta Shibuya de | Chunsoft | 2008 | Wii | adventure | image | | label | |
| 5 Jikanme no Venus | Fairy Dust | 1995 | NEC PC9801 | adventure | image | | label | |
| 51 cards | Vampire Kitty Studios | 2013 | Linux | adventure | | | label | |
| 6 Inch My Darling | KID Corporation | 1998 | Saturn | adventure Manga | image | | label | |
| 6 Inches | Airi | 1999 | Windows | adventure Manga | image | | label | |
| 7 Day's Magic | PiPiP | 2010 | Windows | adventure | image | | label | |
| 7'scarlet | Otomate | 2016 | PS Vita | adventure | image | | label | |
| 72 Hours With Olivia | Felicia & Beverly | 2016 | Linux | adventure | | | label | |
| 77 Sevens ~And, Two Stars Meet Again~ | Whirlpool | 2009 | Windows | adventure | image | | label | |
| 9 Maia: S Dnem Pobedy! | Erogame Project | 2009 | Linux | adventure | | | label | |
| 999: Nine Hours, Nine Persons, Nine Doors | Chunsoft | 2009 | Nintendo DS | adventure | image | | label | |
