You are a giant armored robot, and you must shoot all that attack you. There are many upgrades and many possible kits to use. Play through all 10 levels.
Defend your fortress from the oncoming enemy waves. Place turrets in locations of your choice on your fortress, creating the best defense possible to withhold even the greatest of attacks.
Alice again faces overwhelming packs of alien predators reinforced by new frightful crossbred combat species. Kill all the aliens and destroy their hives!