In June 1947 an object of unknown origin crashed on a ranch near Roswell, New Mexico. Officially the crash was attributed to a secret U.S. military Air Force surveillance balloon, in reality it was the first day of a new era.
Turn based tactical combat
Fight aliens in a fully destructible world, nothing is safe.
Strategic base building
Build multiple bases of operation to deal with global threats. Train soldiers, build aircraft / vehicles and UFOs, set up defenses and deploy assets.
Research and development
Learn better ways to deal with the invading force, from building rifles to capturing and using alien battle ships.