Crytek is a German videogame and engine developer. It owns five studios in Europe and Asia. It has developed mainly for Microsoft Windows but has also developed on PlayStation 3 and Xbox 360. It has developed exclusively first-person shooters based on its engine, CryEngine, which has been used by third-party developers to develop other first-person shooters and RPGs. It has partnerships with several large companies, including videogame publishers, hardware manufacturers, and software companies.