Just FYI, I know you probably don't care about itch.io ;)
We've just uploaded the DEMO there as well, so you can now play POLYARIS on itch.io.
It's totally legit — no mysterious Arctic impostor involved.
itch.io link:
https://magicpiegamesgmailcom.itch.io/polyaris
The DEMO is still available here on Steam too, of course. ❄️