Aliens is an arcade game based on the horror movie of the same name. In the game the first player controls Ripley and the second player controls Corporal Hicks. The gameplay includes Hadley's Hope, APCs, Hive, Dropships, Sulaco and aliens from the film.
Alien 3: The Gun:
Based on the 1992 film Alien 3 and set in Fiorina 'Fury' 161 Class C Prison Unit 12037154, you play as Ripley with standard but limited marine weapons.
Alien vs. Predator: Arcade:
Alien vs. Predator: Arcade introduces seven stages connected with cutscenes with four playable characters each with a combo fighting move. Set on Earth in the Alien Predator universe in the late 20th Century as San Drad, California is invaded by aliens.
Aliens: Extermination's story occurs years after the Aliens movie events when space marines go back to LV426 to exterminate the last creatures who might remain. Meanwhile, the Weyland-Yutani Corporation has set up laboratories in the complex to conceive new biologic weapons. They also created a cyborg army to protect their researches and destroy anybody who would interfere.
The story follows as 2 combat marines, possibly USCMs, battle with help from a small contingency of troops and vehicles for support. They are armed for the most part with assault rifles rather than the usual pulse rifles which are equipped with scopes and combat torches but have access from their support team driving humvees with assault machine guns. The game is set on Earth in the Alien universe in the 21st Century after all major cities are destroyed.