You should be able to say "Open Gacha Pets" It's only available in USA, UK and Canada currently.
Yes, I would like to do that. I don't really want to require people to register to play. With the Itch.io client, I can get info on the user playing and automatically create an account for them. I can't seem to get that to work in the browser on Itch.io. I'll have to do some more digging and see if there's a seamless way to do it.