I should admit, however, that once the real Gorgons appeared I had trouble getting past what felt like imprecise line-of-sight implementation (especially when near a wall’s corner) and so I just rushed through to the end to see the rest without bothering to play along.

And so it strikes me: unlike with Asphyx’s hold-your-breath honor system, there doesn’t seem to be any reason for the game itself here to enforce its Gorgon/blindness rule. It would work perfectly well to hold a key to black out the screen or, even better, (and this I saw suggested by Zaratustra on Twitter, so credit where it’s due) occlude the screen with a shield image, as though it were being raised up over your eyes.

In any case, this is a great idea, is really enjoyable as-is, and totally should be developed further.