Enemy Zero is a 1996 horror-themed adventure video game for the Sega Saturn, developed by Warp and directed by Kenji Eno. Players assume the role of an astronaut who awakens from cryogenic sleep to find her spaceship overrun by invisible creatures who are hunting and killing the ship's crew.
Duke Nukem 3D is a first-person shooter video game developed by 3D Realms. It is a sequel to the platform games Duke Nukem and Duke Nukem II, published by 3D Realms. Duke Nukem 3D features the adventures of the titular Duke Nukem, voiced by Jon St. John, who fights against an alien invasion on Earth.