Duke Nukem: Manhattan Project harkens back to the action hero's side-scrolling roots. Co-developed by 3D Realms and Sunstorm Interactive, it first arrived in 2002.
As for Blake Stone: Aliens of Gold, JAM's 1993 first-person shooter utilizes the Wolfenstein 3D engine. Following the adventures of British agent Blake Stone, the game has players hunting aliens, scientists and robots in their attempts to stop Dr. Goldfire.
The sequel to Blake Stone, Planet Strike, will hit the site in the coming weeks.