Terms

Undo, at undotherot.com. Last changed 13 November 2026.

What it is

Undo is a daily game of five short rounds. It is a game, not medical advice, and it makes no promise about your health or your marks.

Playing fair

• Scores on the Board are on the honour system.
• Don’t try to break the site, flood it, or get into anyone else’s account.
• We may take down scores, leagues or accounts that abuse it.

Accounts

Accounts are for people aged 13 and over. You are responsible for your own email account, since that is how you sign in.

The paid plan

• $5 a month, taken by Stripe, until you cancel. Buying is for people aged 18 and over.
• It gives up to 5 extra practice cards a day from a pool that we add to. When you have played them all, they come round again.
• Extra cards are practice. They don’t count for your streak, your rating or the Board.
• Cancel any time from your account page. The plan runs to the end of the month you have paid for.
• If something went wrong with a payment, tell us through the Feedback link and we will put it right.

Changes

The game is new and will change. If these terms change in a way that matters, the date at the top changes too.

The usual

The site is provided as it is. We do our best to keep it running and your saved card safe, but we can’t promise it will never be down or never lose something.

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