Thanks for the feedback. I've added a link to the tutorial on the signing screen so you can try out puzzles without signing in.
The rating system and ability to serve appropriate difficulty puzzles relies on the user being signed in, but I don't collect any personal info, just the user ID (no email, account name, or anything else).
On mobile, the only thing we see is a sign in banner. It would be nice to see anything about the game before deciding to sign in.
Thanks for the feedback. I've added a link to the tutorial on the signing screen so you can try out puzzles without signing in.
The rating system and ability to serve appropriate difficulty puzzles relies on the user being signed in, but I don't collect any personal info, just the user ID (no email, account name, or anything else).