On PC, PS4 & Xbox One: Found in the CEO’s office during the Samizdat side-quest, this confounding puzzle unlocks a free Praxis Kit and an easy exit.
On PC, PS4 & Xbox One: See how to start every side-quest with our spoiler-free locations guide, cluing you in on how to get all the optional jobs in Prague.
On PC, PS4 & Xbox One: Hack the planet! Or don’t — unlock computers and security terminals with our ever-growing list of login passwords and code inputs.
On PC, PS4 & Xbox One: Travel through time, lead gold penguins back to their kingdoms, and discover discarded Companion Cubes with our Deus Ex Easter eggs list.