After nearly 13 years of development time, Duke Nukem Forever is finally complete.

The game was on display at the Penny Arcade Expo this weekend in Seattle. Texas-based Gearbox Software confirmed they finished development of the title. Studio president Randy Pitchford said during a presentation the game is in the final polishing stages, and is coming in 2011 for PlayStation 3, Xbox 360 and PC. It will have a single-player campaign and competitive multiplayer.

"We couldn't let the Duke die," Pitchford told the crowd.

First announced in 1997, Duke Nukem Forever was originally planned as a sequel to the 1996 hit Duke Nukem 3D. Since then, however, the game has famously suffered from continuous development delays, leading many to wonder if Duke would ever see the light of day.

For nearly a decade not much was seen or heard about the project until things began to heat up in May 2009 when rumors surfaced of 3D Realms' closure. That same month, publisher Take-Two filed a lawsuit against 3D Realms/Apogee Ltd for breach of contract.

Studio co-founder George Broussard soon spoke out saying that due to a lack of funding the Duke Nukem Forever team was let go, but 3D Realms would remain open in a much smaller capacity. A courtersuit claim was filed against Take-Two a month later.

The lawsuit and countersuit were finally settled this past June, paving the way for the game to be released. Duke Nukem Forever again made headlines last month when rumors began that Gearbox Software had taken over control of the game.

IGN is on the show floor playing the game right now. We'll be posting our impressions later today.

I'm not really a huge fan of Duke Nukem