You will recognize this map from Act I: Mission 3. However there are aliens around and you have the building.

Mission Briefing Edit

An alien Invader UFO is attacking our research base!
It is imperative that we do not lose this vital location. Mobilise your soldiers and defend the base at all costs. You are advised to use the structures as cover.
  • Defend the base at all costs

Walkthrough Edit

The aliens have a new weapon this time, the Fusion Pistol. You will need to defend 1 door entrance and the large entrance at the south, depending on where the UFO has landed. Use grenades when necessary but try not to smash your own walls while using grenades. Retreat from the entrances if necessary and kill them when they are at the entrance. On hard mode, you may find yourself retreating all the way up the building, although the strategy is still the same. This mission is relatively easy and will end once all the aliens are killed

ACT 1 - Reconstruction
1: Apocalypse 2: Support 3: Secure
ACT 2 - Invasion
1A: Recover 1B: Recover 2: City Mission (x4)
2: UFO - Transporter 3A: Defence 3B: Defence
4: City Mission (x2) 4: UFO - Invader 5: Invasion
ACT 3 - Retaliation
1: City Mission (x2) 1A: UFO - Dominator 1B: Base of Operations
2A: Siege 2B: Siege 3: City Mission (x2)
3A: Base of Operations 3B: UFO - Dominator
ACT 4 - Domination
1: Warhead 2: Infiltration 3: Domination

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