Operetta Due

Japanese Company
a.k.a. オペレッタ デュエ
Official website - VNStat


Formerly: Heterodoxy
Parent producer: Operetta

A branch of Operetta that specialises in the development and production of otome games targeted towards an adult audience.

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Releases

2012-09-07Koezaru wa Akai Hana(developer, publisher)
2012-09-0718+   Koezaru wa Akai Hana - Limited Editiondeveloper, publisher2 
2012-09-0718+   Koezaru wa Akai Hanadeveloper, publisher3 
2014-03-2017+   Koezaru wa Akai Hana ~Taiga wa Mirai o Tsumugu~developer2 
2014-03-2017+   Koezaru wa Akai Hana ~Taiga wa Mirai o Tsumugu~ Download Editiondeveloper 
2016-04-2817+   Koezaru wa Akai Hana ~Koi wa Tsuki ni Michibikareru~ Trial versiondeveloper 
2016-06-2317+   Koezaru wa Akai Hana ~Koi wa Tsuki ni Michibikareru~developer3 
2016-06-2317+   Koezaru wa Akai Hana ~Koi wa Tsuki ni Michibikareru~ Download Editiondeveloper2 
2017-10-3118+   Koezaru wa Akai Hana ~Itoshiki Hibi wa Mune ni Tsudoite~developer, publisher 
2014-09-05Sachi no Tenbin(developer, publisher)
2014-09-0518+   Sachi no Tenbin - Trial Editiondeveloper, publisher 
2014-10-3118+   Sachi no Tenbindeveloper, publisher3 
2014-10-3118+   Sachi no Tenbin - Animate Limited Setdeveloper, publisher2 
2015-07-31Ao no Shigyaku Midori no Higyaku(developer, publisher)
2015-07-3118+   Ao no Shigyaku Midori no Higyakudeveloper, publisher2 
2018-07-27Koezaru wa Akai Hana After Disc ~Ayanasu Mirai~(developer, publisher)
2018-07-2718+   Koezaru wa Akai Hana after disc ~Ayanasu Mirai~developer, publisher