I really liked playing that! One note: after ending, it's not a lot of things to use knowledge for and it would be cool to have something more to invent :)
As soon as I started playing I knew it was your game it just has THIS FEELING :)
however I think that the faces of main characters are too colorfull, the background is toned and they don't match
anyway, good work
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If you're talking about Cautious Sneak, it only lets you move next to 'blocking terrain' (terrain that blocks movement & line of sight, like walls).