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The Aliens invasion of Earth is a gradual affair; it starts off slow but builds up rapidly. This page will detail when the Aliens gain access to new missions, species, and UFOs for their invasion.

Month 1 Edit

Alien Missions Edit

UFOs Edit

Light Scout unlocked. Edit

  • Used in Scouting and Research missions

Scout unlocked. Edit

  • Used in Scouting and Research missions

Alien Races Edit

Caesans and Sebillians available

Month 2 Edit

Alien Missions Edit

UFOs Edit

Fighter unlocked Edit

  • Used in Air Superiority missions

Light Scout Edit

  • Phased out of: All missions

Scout unlocked Edit

  • Replaces Light Scout in Scouting and Research missions

Corvette unlocked Edit

  • Used in Ground Attack missions

Alien Races Edit

Androns, Light Drones and Reapers are available

Month 3 Edit

Alien Missions Edit

UFOs Edit

Fighter Edit

  • Continues performing Air Superiority missions

Scout Edit

  • Phased out of: Research missions
  • Continues performing Scouting missions

Corvette Edit

  • Now performs: Terror, Base Attack, Research, Supply Run, and Construction missions
  • Continues performing Ground Attack missions

Bomber unlocked Edit

  • Used in Bombing Run missions

Alien Races Edit

TBA

Month 4 Edit

Alien Missions Edit

All Alien Missions unlocked.

UFOs Edit

Fighter Edit

  • Phased out of: Air Superiority missions

Heavy Fighter unlocked Edit

  • Replaces Fighter in Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Corvette Edit

  • Phased out of: Terror, Base Attack, Ground Attack, and Construction missions
  • Continues performing Research and Supply Run missions

Landing Ship unlocked Edit

  • Now performs: Terror, Base Attack, Ground Attack, and Construction missions

Bomber Edit

  • Continues performing Bombing Run missions

Alien Races Edit

Harridans and Medium Drones are available.

Month 5 Edit

UFOs Edit

Heavy Fighter Edit

  • Continues performing Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Corvette Edit

  • Phased out of: Research missions
  • Continues performing Supply Run missions

Landing Ship Edit

  • Now performs: Research missions
  • Phased out of: Terror and Ground attack missions
  • Continues performing Base Attack and Construction missions

Cruiser unlocked Edit

  • Now performs: Terror and Ground attack missions

Bomber Edit

  • Continues performing Bombing Run missions

Alien Races Edit

TBA

Month 6 Edit

UFOs Edit

Heavy Fighter Edit

  • Continues performing Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Corvette Edit

  • Phased out of: All missions

Landing Ship Edit

  • Now performs: Supply Run missions
  • Phased out of: Construction and Research missions
  • Continues performing Base Attack missions

Cruiser Edit

  • Now performs: Research missions
  • Continues preforming Terror and Ground attack missions

Carrier unlocked Edit

  • Now performs: Construction missions

Bomber Edit

  • Phased out of: All missions

Strike Cruiser unlocked Edit

  • Now performs: Bombing Run missions

Alien Races Edit

TBA

Month 7 Edit

UFOs Edit

Heavy Fighter Edit

  • Phased out of: All missions

Interceptor unlocked Edit

  • Now performs: Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Landing Ship Edit

  • Phased out of: Base Attack missions
  • Continues performing Supply run missions

Cruiser Edit

  • Phased out of: All missions

Carrier Edit

  • Now performs: Ground Attack, Base Attack, and Research missions
  • Continues performing: Construction missions

Battleship unlocked Edit

  • Now performs: Terror missions

Strike Cruiser Edit

  • Continues performing Bombing Run missions

Alien Races Edit

TBA

Month 8 Edit

UFOs Edit

Interceptor Edit

  • Continues performing Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Landing Ship Edit

  • Continues performing Supply run missions

Carrier Edit

  • Continues performing Ground Attack, Base Attack, Research, and Construction missions

Battleship Edit

  • Continues performing Terror missions

Strike Cruiser Edit

  • Continues performing Bombing Run missions

Alien Races Edit

TBA

Month 9 Edit

UFOs Edit

Interceptor Edit

  • Continues performing Air Superiority missions

Scout Edit

  • Continues performing Scouting missions

Landing Ship Edit

  • Continues performing Supply Run missions

Carrier Edit

  • Phased out of: Ground Attack missions
  • Continues performing: Base Attack, Research, and Construction missions

Battleship Edit

  • Now performs: Ground Attack missions
  • Continues performing Terror missions

Strike Cruiser Edit

  • Continues performing Bombing Run missions

Alien Races Edit

TBA

Month 10 Edit

UFOs Edit

No further changes to UFO missions

Alien Races Edit

All Alien races unlocked

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