|Headquarters||Kanda, Chiyoda , Tokyo, Japan|
Akio Ōnuma (CEO)|
Kimihiko Iwasaki (Director)
Number of employees
Overflow (オーバーフロー Ōbāfurō) (stylized 0verflow) is a Japanese video game division of Stack Ltd. specializing in the production of mature interactive fiction. The Overflow label is known for its game franchise School Days. The company headquarters are located in the Sugishō Building (杉商ビル Sugishō Biru) in Kanda, Chiyoda, Tokyo. On February 10, 2012, Overflow confirmed that Shiny Days, a remake of Summer Days, will be the last title produced by the brand. The team also reassured customers that it was not going bankrupt and would continue to support their line of video games even after the release of Shiny Days.
Overflow produced such games as:
- November 26, 1999: Large PONPON (らーじ・PONPON Rāji Ponpon)
- August 25, 2000: PureMail
- April 27, 2001: 0verflow Pleasure Box (オーバーフローぷれじゃ～ボックス Ōbāfurō Purejā Bokkusu)
- December 28, 2001: Snow Radish Vacation (Snowラディッシュバケーション Sunō Radisshu Bakēshon)
- December 27, 2002: Let's go for the little sister! (妹で行こう! Imōto de Ikō!)
- August 13, 2003: Summer Radish Vacation!! (Summerラディッシュバケーション Samā Radisshu Bakēshon!!)
- December 27, 2003: Magical Unity (マジカル☆ユニティー Majikaru Yunitī)
- April 30, 2004: MISS EACH OTHER
- October 15, 2004: LOST M
- April 28, 2005: School Days (スクールデイズ Sukūru Deizu)
- January 27, 2006: 0verflow Premium Trilogy Box (オーバーフロープレミアムトリロジーボックス Ōbāfurō Puremiamu Torirojī Bokkusu)
- June 23, 2006: Summer Days (サマーデイズ Samā Deizu)
- March 19, 2010: Cross Days (クロスデイズ Kurosu Deizu)
- October 8, 2010: School Days HQ (スクールデイズ ハイクオリティ Sukūru Deizu Hai Kuoritī)
- April 27, 2012: Shiny Days (シャイニーデイズ Shainī Deizu)
- July 3, 2014: Island Days (アイランドデイズ Airando Deizu)
- TearMail (cancelled)
- April 28, 2016: Strip Battle Days 2 (ストリップバトルデイズ2 Sutorippu Batoru Deizu 2)
- "About Us" (in Japanese). Stack Ltd. Archived from the original on 2009-12-01. Retrieved 2009-11-01.
- "School Days' Overflow Confirms It Is Making Its Last Title". Anime News Network. February 10, 2012. Retrieved November 30, 2012.
- "Overflow's Product List". Overflow. Archived from the original on 2012-11-30. Retrieved November 30, 2012.
- "School Days to Be Posted on Crunchyroll This Spring (Update 2)". Anime News Network. 2009-04-24. Retrieved 2012-01-24.
- "Notice about change of release date for Shiny Days". 0verflow. February 10, 2012. Archived from the original on 2012-03-10. Retrieved March 6, 2012.