# Prototype (company)

Prototype Ltd. (株式会社プロトタイプ, Kabushiki kaisha Purototaipu) is a Japanese video game publisher established on March 27, 2006 by Toshio Tabeta, a former producer of Interchannel. While still with Interchannel, Tabeta's team was responsible for mainly developing and publishing versions of visual novels originally published by VisualArt's for consumer platforms like the PlayStation 2 and PlayStation Portable. After Prototype split off from Interchannel, the company still continued to work with VisualArt's. Prototype is also involved in producing mobile phone ports through VisualArt's Motto which Prototype manages. Prototype has also produced a set of drama CDs based on Key's visual novel Clannad.

## Games published
### Console games

| Title | Developer(s) | Platform(s) | Original release | Region(s) released |
| Hanakisō | HaccaWorks* | PlayStation 2 | July 6, 2006 | JP |
| Planetarian: The Reverie of a Little Planet | Key | PlayStation 2 | August 24, 2006 | JP |
| Tomoyo After: It's a Wonderful Life CS Edition | Key | PlayStation 2 | January 25, 2007 | JP |
| Shinkyoku Sōkai Polyphonica | Ocelot | PlayStation 2 | April 26, 2007 | JP |
| Arabians Lost: The Engagement on Desert | Quin Rose | PlayStation 2 | October 11, 2007 | JP |
| Shinkyoku Sōkai Polyphonica: 3 & 4-wa Kanketsuhen | Ocelot | PlayStation 2 | December 27, 2007 | JP |
| Clannad | Key | Xbox 360 | August 28, 2008 | JP |
| Piyotan: Oyashiki Sennyū Taisakusen | Prototype | PlayStation 2 | August 28, 2008 | JP |
| Heart no Kuni no Alice | Quin Rose | PlayStation 2 | September 18, 2008 | JP |
| Shinkyoku Sōkai Polyphonica: The Black | Ocelot | PlayStation 2 | January 15, 2009 | JP |
| Time Leap | Frontwing | Xbox 360 | June 25, 2009 | JP |
| Little Busters! Converted Edition | Key | PlayStation 2 | December 24, 2009 | JP |
| Clover no Kuni no Alice | Quin Rose | PlayStation 2 | April 15, 2010 | JP |
| Tomoyo After: It's a Wonderful Life CS Edition | Key | Xbox 360 | September 22, 2010 | JP |
| Shinkyoku Sōkai Polyphonica: After School | Ocelot | PlayStation 2 | November 11, 2010 | JP |
| Clannad | Key | PlayStation 3 | April 21, 2011 | JP |
| Sangoku Koi Senki: Otome no Heihō! | Daisy2 | PlayStation 2 | June 15, 2011 | JP |
| Time Leap | Frontwing | PlayStation 3 | January 12, 2012 | JP |
| Tomoyo After: It's a Wonderful Life CS Edition | Key | PlayStation 3 | July 29, 2012 | JP |
| Little Busters! Converted Edition | Key | PlayStation 3 | March 20, 2013 | JP |
| Rewrite | Key | PlayStation 3 | February 11, 2015 | JP |
| Rewrite | Key | PlayStation 4 | March 23, 2017 | JP |
| Hoshi Ori Yume Mirai | tone work's | PlayStation 4 | September 14, 2017 | JP |
| Clannad | Key | PlayStation 4 | June 14, 2018 | Worldwide |
| Island | Frontwing | PlayStation 4 | June 28, 2018 | JP |
| Sangoku Koi Senki: Otome no Heihō! | Daisy2 | Nintendo Switch | November 22, 2018 | JP |
| Yoshiwara Higanbana Kuon no Chigiri | MariaCrown | Nintendo Switch | December 20, 2018 | JP |
| Zettai Kaikyuu Gakuen ~Eden with roses and phantasm~ | Daisy2 | PlayStation 4 | January 10, 2019 | JP |
| Planetarian: The Reverie of a Little Planet | Key | Nintendo Switch | January 31, 2019 | Worldwide |
| Flowers - Shiki | Innocent Grey | PlayStation 4 | March 7, 2019 | JP |
| Taishou x Alice all in one | Primula | Nintendo Switch | April 18, 2019 | JP |
| Summer Pockets | Key | Nintendo Switch | June 20, 2019 | JP |
| Clannad | Key | Nintendo Switch | July 4, 2019 | Worldwide |
| Fatal Twelve | aiueo Kompany | PlayStation 4 | August 8, 2019 | Worldwide |
| Omega Vampire | Karin Chatnoir Ω | Nintendo Switch | August 29, 2019 | JP |
| The Grisaia Trilogy | Frontwing | Nintendo Switch | November 7, 2019 | Worldwide |
| Flowers - Shiki | Innocent Grey | Nintendo Switch | November 28, 2019 | JP |
| Zettai Kaikyuu Gakuen ~Eden with roses and phantasm~ | Daisy2 | Nintendo Switch | December 19, 2019 | JP |
| Chou no Doku Hana no Kusari | Aromarie | Nintendo Switch | February 20, 2020 | JP |
| Little Busters! Converted Edition | Key | Nintendo Switch | April 23, 2020 | Worldwide |
| Gunka o Haita Neko | Primula | Nintendo Switch | June 18, 2020 | JP |
| Grisaia Phantom Trigger 01 & 02 | Frontwing | Nintendo Switch | June 25, 2020 | Worldwide |
| Island | Frontwing | Nintendo Switch | April 8, 2021 | JP |

### Portable games

| Title | Developer(s) | Platform(s) | Original release | Region(s) released |
| Kanon | Key | PlayStation Portable | February 15, 2007 | JP |
| Snow: Portable | Studio Mebius | PlayStation Portable | August 16, 2007 | JP |
| Air | Key | PlayStation Portable | November 22, 2007 | JP |
| Clannad | Key | PlayStation Portable | May 29, 2008 | JP |
| Shinkyoku Sōkai Polyphonica: 0–4-wa Full Pack | Ocelot | PlayStation Portable | June 26, 2008 | JP |
| Tomoyo After: It's a Wonderful Life CS Edition | Key | PlayStation Portable | March 19, 2009 | JP |
| Heart no Kuni no Alice | Quin Rose | PlayStation Portable | August 20, 2009 | JP |
| Planetarian: The Reverie of a Little Planet | Key | PlayStation Portable | August 24, 2009 | JP |
| Arabians Lost: The Engagement on Desert | Quin Rose | Nintendo DS | September 10, 2009 | JP |
| Gakuen Heaven: Boy's Love Scramble! | Spray | PlayStation Portable | November 26, 2009 | JP |
| Clannad: Hikari Mimamoru Sakamichi de | Key, Prototype | PlayStation Portable | June 3, 2010 (volume 1) July 15, 2010 (volume 2) | JP |
| Hanakisō | HaccaWorks* | PlayStation Portable | September 22, 2010 | JP |
| Little Busters! Converted Edition | Key | PlayStation Portable | November 25, 2010 | JP |
| Gakuen Heaven: Okawari! | Spray | PlayStation Portable | February 10, 2011 | JP |
| Amatsumi Sora ni! Kumo no Hatate ni | Clochette | PlayStation Portable | February 16, 2012 | JP |
| Little Busters! Converted Edition | Key | PlayStation Vita | March 22, 2012 | JP |
| Sangoku Koi Senki: Otome no Heihō! | Daisy2 | PlayStation Portable | July 26, 2012 | JP |
| Grisaia no Kajitsu: Le Fruit de la Grisaia | Front Wing | PlayStation Portable | February 21, 2013 | JP |
| Sangoku Koi Senki: Otome no Heihō! | Daisy2 | PlayStation Vita | April 25, 2013 | JP |
| Kud Wafter Converted Edition | Key | PlayStation Portable | May 9, 2013 | JP |
| Grisaia no Kajitsu: Le Fruit de la Grisaia | Front Wing | PlayStation Vita | August 8, 2013 | JP |
| Kud Wafter Converted Edition | Key | PlayStation Vita | December 19, 2013 | JP |
| Chō no Doku Hana no Kusari: Taishō Enren Ibun | Aromarie | PlayStation Portable | January 16, 2014 | JP |
| Chō no Doku Hana no Kusari: Taishō Enren Ibun | Aromarie | PlayStation Vita | February 20, 2014 | JP |
| Rewrite | Key | PlayStation Portable | April 17, 2014 | JP |
| Clannad | Key | PlayStation Vita | August 14, 2014 | JP |
| Rewrite | Key | PlayStation Vita | August 28, 2014 | JP |
| Flowers | Innocent Grey | PlayStation Vita | October 19, 2014 | JP |
| Walpurgis no Uta ~Walpurgisgedichte~ | Daisy3 | PlayStation Vita and PlayStation Portable | December 23, 2015 | JP |
| Island | Front Wing | PlayStation Vita | February 23, 2017 | JP |
| Rewrite Harvest Festa! | Key | PlayStation Vita | May 18, 2017 | JP |
| Grisaia no Kajitsu -Side Episode- | Front Wing | PlayStation Vita | July 27, 2017 | JP |
| Amatsutsumi | Purple Software | PlayStation Vita | May 7, 2018 | JP |
| Seven Days: Anata to Sugosu Nanokakan | LIFE0 | PlayStation Vita | July 25, 2018 | JP |
| Gunka o Haita Neko | Primula | PlayStation Vita | September 12, 2019 | JP |

#### Mobile phone games

| Title | Developer(s) | Platform(s) | Original release | Region(s) released |
| Planetarian: The Reverie of a Little Planet | Key | FOMA, SoftBank 3G | November 2006 | JP |
| Air | Key | FOMA, SoftBank 3G | May 2007 | JP |
| Kanon | Key | FOMA, SoftBank 3G | May 2007 | JP |
| Clannad | Key | FOMA, SoftBank 3G | January 2008 | JP |
| Tomoyo After: It's a Wonderful Life | Key | FOMA, SoftBank 3G | May 2008 | JP |
| Gakuen Heaven | Spray | FOMA, SoftBank 3G | | JP |
| Kare to Kare to Kare no Hazama de | Amedeo | FOMA, SoftBank 3G | | JP |
| Realize | PlayM | FOMA, SoftBank 3G | | JP |
| Seraphim Spiral | B Works | FOMA, SoftBank 3G | | JP |
| Shinkyoku Sōkai Polyphonica | Ocelot | FOMA, SoftBank 3G | | JP |
| Soshite Bokura wa, | Spray | FOMA, SoftBank 3G | | JP |
| Snow | Studio Mebius | FOMA, SoftBank 3G | | JP |