The mission briefing for the alien base tells me that there are hidden doors that I can use .

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I took over the Command Room, revealing the entire map of the alien base. It's pretty clear where all the secret doors are, but I can't seem to use them. No door icon appears when hovering the cursor over that wall section, and I also can't simply tell my guy to walk into the secret corridor. How do I use them?

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After asking the question, it occurred to me that I should try free-targeting that section of wall. You can indeed blast a hole in it, allowing access to the corridor. I don't know if there are any other ways to get it open.

  • 2
    grenade the door, it will open.
    – Haha TTpro
    Oct 1 '15 at 8:33

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