Sorry about all this. It's a bit complicated for us to fix right now. We refunded your game purchase on here so you can buy it again on the Playdate Catalogue, this is easier I think. I submitted a request to itch.io.
We already began the refund process with itch.io, it'll get sent back to you via your payment method. We're not certain what that's going to look like on your end, but we'll keep you updated. You have nothing to do on your end for the moment. It should get processed very soon. Thanks for your patience.