Deus Ex is a series of cyberpunk-themed first-person action role-playing video games. The series was developed by Ion Storm for the first two games and Eidos Montreal for later entries in the series. The four main games included in the series: Deus Ex (2000), Deus Ex: Invisible War (2003), Deus Ex: Human Revolution (2011) and Deus Ex: The Fall (2013). A fifth installment, Deus Ex: Mankind Divided that was announced on April 8, 2015. Deus Ex takes place during 2052, while the world is facing a crisis caused by a mysterious nano-virus called the Gray Death.