Sometimes I see a yellow alert for alien movement or something, what does this mean and how is it different from the usual blue movement?

Example below of "yellow" alert

enter image description here

  • 5
    This isn't a duplicate. The linked question pre-dates "Enemy Within", which is when the Meld (and thus the artifact presented in this question) was added to the game. Commented Nov 27, 2021 at 2:08

1 Answer 1


The Holographic Orange Lines (as in your screenshot) point to undiscovered Meld containers and are always the same sound.

The Soundwave-y Lines point to undiscovered Pods (and are different sounds based on the makeup of the pod)

  • 1
    Ah! I play with sound off and went into Enemy Within as part of long war, thanks!
    – Rob
    Commented Nov 27, 2021 at 9:09

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