1993-10 Gust Corporation was established.
1993-10 Introduced as the first game software house in Nagano Prefecture in computer-related magazines.
1993-10 Announced the release of the maiden work,
1994-04 Started software development for PlayStation® and entered as a development manufacturer for Sony Computer Entertainment Inc.
1995-06 Released the first PlayStation® exclusive software, "Falcata."
1997-05 Released the PlayStation® exclusive software "Marie's Atelier: Alchemy of Saarburg."
1998-01 "Marie's Atelier" was nominated for the CESA Award 97.
1998-01 "Marie’s Atelier" nominated for CESA Awards 97.
1998-12 Released the PlayStation® exclusive software "Ellie's Atelier: Alchemy of Saarburg 2."
2000-06 Released the first PlayStation® 2 entry title, "Freesvarg."
2001-06 Released the PlayStation® 2 exclusive software "Lily's Atelier: Alchemy of Saarburg 3."
2001-12 As the first adventure game in the Atelier series, released the PlayStation® 2 exclusive software "Helmina and Kurs: Lily's Atelier - Another Story."
2002-06 Released the PlayStation® 2 exclusive software "Yudi's Atelier: Alchemy of Gramnad."
2003-02 Released the PlayStation® 2 exclusive software "Taisho Mononoke Idenroku."
2003-06 Released the PlayStation® 2 exclusive software "Viorat's Atelier: Alchemy of Gramnad 2."
2004-05 Released the PlayStation® 2 exclusive software "Iris's Atelier: Eternal Mana."
2005-05 Released the PlayStation® 2 exclusive software "Iris's Atelier: Eternal Mana 2."
2005-06 Released the PlayStation® 2 exclusive software "Atelier Iris: Eternal Mana" in North America. (Distributed by NIS America)
2005-10 PlayStation®2 Software "Atelier Marie + Ellie ~ The Alchemist of Saarburg 1 & 2 ~" Released.
2006-01 PlayStation®2 Software "Ar tonelico ~ The Girl Who Continues to Sing at the End of the World ~" Released. (Sales: NBGI)
2006-03 PlayStation®2 Software "Atelier Iris: Eternal Mana" Released in Europe. (Sales: Koei Co., Ltd.)
2006-04 PlayStation®2 Software "Atelier Iris 2: The Azoth of Destiny" Released in North America. (Sales: NIS America)
2006-06 PlayStation®2 Software "Iris no Atelier Grand Phantasm" Released.
2006-09 PlayStation®2 Software "Atelier Iris 2: The Azoth of Destiny" Released in Europe. (Sales: Koei Co., Ltd.)
2007-04 Nintendo DS® Software "Lise's Atelier ~ The Alchemist of Orde~" Released.
2007-05 PlayStation®2 Software "Atelier Iris 3: Grand Phantasm" Released in North America. (Sales: NIS America)
2007-06 PlayStation®2 Software "Manakemia ~ The Alchemists of the School ~" Released.
2007-07 PlayStation®2 Software "Atelier Iris 3: Grand Phantasm" Released in Europe. (Sales: Koei Co., Ltd.)
2007-10 PlayStation®2 Software "Ar tonelico 2 ~ The Creation Poem of Girls Resounding in the World ~" Released. (Sales: NBGI)
2008-03 PlayStation®2 Software "Mana Khemia: Alchemists of Al-Revis" Released in North America. (Sales: NIS America)
2008-05 PlayStation®2 Software "Manakemia 2 ~ The Fallen School and the Alchemists ~" Released.
2008-09 PSP® Software "Mana Khemia ~ The School Alchemists ~ PORTABLE+" Released.
2009-03 Nintendo DS® Software "Annie's Atelier ~ The Alchemist of Serah Island ~" Released.
2009-03 PSP® Software "Mana Khemia: Student Alliance" Released in North America. (Sales: NIS America)
2009-06 Wiiware® "Game Sound Station" Distribution Started.
2009-06 PlayStation®3 Software "Rorona's Atelier ~ The Alchemist of Arland ~" Released.
2009-08 PlayStation®2 Software "Mana Khemia 2: Fall of Alchemy" Released in North America. (Sales: NIS America)
2009-10 PSP® Software "Manakemia 2 ~ The Fallen School and the Alchemists ~ PORTABLE+" Released.
2009-10 Nintendo DS® software "Atelier Annie: Alchemists of Sera Island" released in North America. (Sales: NIS America)
2009-12 Nintendo DS® software "Lina's Atelier: Alchemist of Strahl" released.
2010-01 PlayStation®3 software "Ar tonelico III: The End of the World and the Girl's Song" released. (Sales: NBGI)
2010-04 PSP® software "Yudie's Atelier: Alchemist of Gramnad - The Captive Guardian" released.
2010-06 PlayStation®3 software "Totori's Atelier: The Alchemist of Arland 2" released.
2011-02 PSP® software "Viorate's Atelier: Alchemist of Gramnad 2" released.
2011-06 PlayStation®3 software "Meruru's Atelier: The Alchemist of Arland 3" released.
2011-12 Acquisition of Koei Tecmo Holdings Co., Ltd. as a wholly owned subsidiary.
2011-12 Acquisition of Koei Tecmo Holdings Co., Ltd. as a wholly owned subsidiary. (Currently Koei Tecmo Holdings Co., Ltd.)
2012-04 PlayStation®Vita software "Ciel nosurge: Poem to the Lost Star" released.
2012-06 PlayStation®3 software "Asha's Atelier: Alchemy of the Dusk" released.
2012-11 PlayStation®Vita software "Totori's Atelier Plus: The Alchemist of Arland 2" released.
2013-02 PlayStation®Vita software "Ciel nosurge: Poem to the Lost Star RE:Incarnation" released.
2013-03 PlayStation®Vita software "Meruru's Atelier Plus: The Alchemist of Arland 3" released.
2013-06 PlayStation®3 software "Esca & Rorona's Atelier: The Alchemist of Dusk" released.
2013-11 PlayStation®3, PlayStation®Vita software "New Rorona: The Alchemist of Arland - The Beginning" released.
2014-03 PlayStation®3 software "Ar nosurge: Ode to an Unborn Star" released.
2014-03 PlayStation®Vita software "Asha's Atelier Plus: The Alchemist of Dusk" released.
2014-07 PlayStation®3 software "Shari's Atelier: The Alchemist of Dusk" released.
2014-10 Merged with Koei Tecmo Games Co., Ltd.
2014-10 Became the studio "Gust Nagano Development Department" within Koei Tecmo Games Co., Ltd.
2014-10 Launched PlayStation®Vita software "Ciel nosurge OFFLINE ~Poem Dedicated to the Lost Star~".
2014-10 Launched PlayStation®Vita software "Ar nosurge PLUS ~Poem Praying to the Star of Birth~".
2015-01 Launched PlayStation®Vita software "Atelier Escha & Logy Plus ~Alchemist of the Twilight Sky~".
2015-06 Launched Nintendo 3DS™ software "Atelier Rorona: The Origin Story ~Alchemist of Arland~".
2015-10 Launched PlayStation®4, PlayStation®3, PlayStation®Vita software "Night of the Dead".
2015-11 Launched PlayStation®4, PlayStation®3, PlayStation®Vita software "Sophie’s Atelier ~Alchemist of the Mysterious Book~".
2016-03 Launched PlayStation®Vita software "Shari’s Atelier Plus ~Alchemist of the Twilight Sea~".
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