Duke Nukem 3D: 20th Anniversary World Tour will be available for download on October 11, 2016 at 7:00 PM CST on Steam, PSN, and Xbox LIVE.
A physical release will be available exclusively at GameStop starting on Tuesday, October 18th, 2016. The physical edition will only be available in the United States.
If you have any questions, please drop us a line at support.gearboxsoftware.com!