Alien 3 is a platform action game developed by Probe Entertainment and released for the NES by LJN. The game is loosely based on the movie of the same name although features a score of Aliens as opposed to the single one in the film.
The game stars Ripley as she tries to eliminate all aliens from the complex's while rescuing prisoners that have been trapped by the aliens. In order to do so Ripley has a variety of weapons including a pulse rifle, flame thrower, grenade launcher, and hand greanades. She can also pick up additional ammunition, first aid kits, and a radar which will lead her to trapped prisoners.
Enemies include small and large aliens including huge boss creatures, as well as face huggers and alien pods.
Each level is a large complex filled with ladders, chutes, air ducts, and locked doors. Levels also have a specific time limit in which the player must rescue all prisoners and escape the area. The game features 8 levels with a boss battle after each 2 levels.