Deus Ex is a 2000 action role-playing game developed by Ion Storm and published by Eidos Interactive. Set in a cyberpunk-themed dystopian world in the year 2052, the game follows JC Denton, an agent of the fictional agency United Nations Anti-Terrorist Coalition (UNATCO), who is given superhuman abilities by nanotechnology, as he sets out to combat hostile forces in a world ravaged by inequality and a deadly plague. His missions entangle him in a conspiracy that brings him into conflict with the Triads, Majestic 12, and the Illuminati.

Ion Storm, L.P. was an American video game developer founded by John Romero and Tom Hall, both formerly of id Software. Despite an impressive pedigree and high expectations, the company only produced one commercial and critical success, 2000's Deus Ex.