The base game consists of , each containing three individual missions that tell a cohesive story set 23 years after the original film trilogy:
: Search for Weyland-Yutani survivors in the caves of LV-895. Aliens Fireteam Elite in linea
: Investigate a mysterious anomaly beneath the planet's surface. The base game consists of , each containing
: Respond to a distress call and extract Dr. Timothy Hoenikker. The base game consists of