Cyanide SA (also known as Cyanide Studio) is a French video game developer based in the Nanterre suburb of Paris. The company was founded in 2000 by Patrick Pligersdorffer, formerly of Ubi Soft. Since 2007, Cyanide operates a second studio, Amusement Cyanide, in Montreal, Canada, and employs a total of 110 staff members as of 2018. Cyanide was acquired by French publisher Bigben Interactive (now Nacon) in May 2018.