Downloadable content (DLC) is a content distributed through the internet, created as extras seperate from the main game release. DLC can add new game areas, weapons, items, and/or extended the storyline.
Deus Ex: Human RevolutionEdit
The first game in the Deus Ex series to feature downloadable content was Deus Ex: Human Revolution, with a current total of 2 pre-order bonuses and one add-on released in October 2011 on all platforms:
Please see the Deus Ex: Human Revolution page on Steam for more information.
Deus Ex: Mankind Divided Edit
Mankind Divided currently offers a pre-order bonus DLC, and two upcoming story DLCs: