Alien (franchise) "everything wrong" with his script. On its way back to Earth, the U.S. commercial spaceship "Nostromo" is diverted to a desolate planetoid by a cryptic signal from a derelict alien spacecraft. While exploring the alien ship, one of the "Nostromo"s crewmen discovers the remains of the ship's pilot and also a large chamber that contains thousands of egg-like objects. One of the eggs releases a creature that attaches itself to his face and renders him unconscious. The others break quarantine to bring him back aboard the ship. The parasite dies and the crewman wakes up, seemingly fine. Soon afterwards, an
Alien Storm (in the Mega Drive version he just explodes, leaving his head, which his new body returns to retrieve). Karen calls down a nuclear missile, which incinerates every foe on the screen. However, a large amount of energy is depleted by using each character's special attack, and cannot be used if the energy of the player's character is too low. There are few bosses in the game. The arcade original features an alien spaceship, an alien brain and a single boss in the middle of the game that has three distinct forms. This boss is repeated as a common enemy near