Cellius

{{Short description|Japanese video game developer}}

{{Use mdy dates|date=December 2024}}{{Infobox company

| name = Cellius

| native_name = 株式会社セリウス

| native_name_lang = ja

| logo = cellius.jpg

| type = Kabushiki gaisha
Joint venture

| industry = Video games

| foundation = {{start date and age|2007|6|3}}

| location_city = Shibuya, Tokyo

| location_country = Japan

| defunct = February 29, 2012[http://www.bandainamco.co.jp/files/120401E59FB7E8A18CE5BDB9E593A1EFBCA7EFBCADE4BABAE4.pdf 株式会社バンダイナムコホールディングス ]

| key_people = Ken Kutaragi
(CEO)

| products = Software

| owner = {{unbulleted list|Namco Bandai Games|(51%)|Sony Computer Entertainment|(49%)}}

| homepage = {{URL|https://web.archive.org/web/20080117000137/http://www.cellius.jp/|http://www.cellius.jp/}}

}}

{{nihongo foot|Cellius Inc.|株式会社セリウス|Kabushiki-gaisha Seriusu|lead=yes|group=lower-alpha}} was a Japanese video game developer and publisher headquartered in Shibuya, Tokyo, founded in 2007 as a joint venture between Sony and Bandai Namco Holdings. The aim of the company was to assist in helping Sony compete with Microsoft and Nintendo.{{cite news |date=January 24, 2007 |title=Sony, Namco Bandai Ally to Jointly Make Games for PlayStation 3 |url=https://www.bloomberg.com/apps/news?pid=conewsstory&refer=conews&tkr=SNE:US&sid=as2Ppv1.jUjQ |archive-url=https://web.archive.org/web/20150326021616/https://www.bloomberg.com/apps/news?pid=conewsstory&refer=conews&tkr=SNE:US&sid=as2Ppv1.jUjQ |archive-date=2015-03-26 |access-date=2025-04-02 |work=Bloomberg}} Sony hoped that the company would make up for the losses it made during quarter two of its financial year. Ken Kutaragi was announced as CEO.{{Cite web|title=Ken Kutaragi to become Chairman of Cellius|url=https://sg.news.yahoo.com/2007-01-24-ken-kutaragi-to-become-chairman-of-cellius.html|access-date=2021-03-14|website=sg.news.yahoo.com|language=en-SG}} Bandai Namco Holdings held 51% of the company, and Sony held 49%. The company planned to use Sony's Cell microprocessor, the heart of the PlayStation 3, for PlayStation 3 games and games for mobile phones and personal computers. Its video game projects were Misato Katsuragi's Reporting Plan on the PlayStation 3 and Ridge Racer on the PlayStation Vita.{{cite web |title=PlayStation 3 Offers News Channel With Evangelion Newscaster |url=https://www.siliconera.com/playstation-3-offers-news-channel-with-evangelion-newscaster/ |website=Siliconera |publisher=Gamurs |access-date=17 September 2024 |date=27 May 2009}}{{cite web|url=http://kotaku.com/5821091/the-strange-studio-born-of-two-rival-companies|title=The Strange Studio Born of Two Rival Companies|date=14 July 2011 }}{{cite web|url=http://kotaku.com/5809359/ridge-racer-coming-to-ps-vita/gallery/1|title=Ridge Racer Coming to PS Vita|date=7 June 2011 }}