The easiest of all the map parts.
After you have completed this part (i.e.
That is why, you’re able to expect to be attacked at any side.
The final stage, is easier than the one in the City.
Up until now, you should already have 2 skills fully developed.
As you progress deploy new guns to decrease the numbers of aliens.
After the entire squad reaches the helicopter, the Extinction mode concludes.
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