Supercell (video game company) - Wikipedia
Website, supercell.com. Supercell Oy is a Finnish mobile game development company based in Helsinki, Finland. Founded on May 16, 2010, the company's debut game was the browser ... Hay Day was Supercell's version of Zynga's successful Facebook game FarmVille, an easy-to-play farm simulator. Supercell added to ...