All PC editions of Duke Nukem Forever will be linked to a Steam account when the shooter releases in May. The publisher confirmed that Duke Nukem Forever “is using Steamworks and only Steamworks for both the single player and multiplayer components” of the game. A Community representative for 2K games relayed the announcement on the 2K games forums
I’ve been fielding many inquiries about whether or not Duke Nukem Forever is going to be on Steam and today I’m happy to clear up any outstanding rumors and questions in your mind by saying: Yes, DNF *is* using Steamworks and only Steamworks for both the single player and multiplayer components of the game.
Let me know if you have any other questions about this – and stay tuned – we’re keeping track of a bunch of questions you have been asking and as they are finalized, I’ll be posting more about them here. – 2K Elizabeth
Duke Nukem Forever is scheduled for release on May 3rd for the PC, PS3, and Xbox 360.
Source: 2k Forums