The filename suggests this is a piece of gameplay or cinematic footage from a Duke Nukem project, likely the Duke Nukem: Alien Armageddon mod or a similar "2D" (side-scrolling or top-down) fan project.
: As the sixth episode, this usually represents high-difficulty, late-game content featuring advanced weapons like the Devastator and enemies like Protector Drones. Creative Piece: "The Final Contact" DUKE-2D-CloseEncounters-Episode-06.mp4
: Likely a mod of Duke Nukem 3D (such as Alien Armageddon ) or a standalone fan game that reimagines Duke in a 2D environment. The filename suggests this is a piece of