Contact

Found a bug, have an idea for a shape, or a question about your privacy? We’d like to hear from you.

Email: CONTACT_EMAIL

We read every message and usually reply within a few days.

Helpful details for bug reports

Which mode you were playing, and the puzzle number shown at the top of the page.
Your device and browser (for example, iPhone with Safari, or Windows with Chrome).
What you expected to happen, and what happened instead. A screenshot helps.

For privacy requests, see the privacy policy for what Halve stores and how to remove it.