After knocking down the poll in this area I got stuck behind it for a few seconds then suddenly I was able to walk everywhere...I don't think this is part of the game.

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I'm so sorry for the late reply. I couldnt find the GOG Stasis forum - anyway, I have it now and I shall answer any questions people may have (promptly).

Please check your refresh rate - this is not normal game behavior (ive never seen this bug).

You can review some common setup problems here: https://www.gog.com/forum/stasis/stasis_troubleshooting_if_you_have_any_problems