Contact Us

We read every message. Email us at [email protected].

To help us help you:

• Reporting a bug? Tell us what you did, what you expected and what happened, plus your browser and device.
• A puzzle the solver gets wrong? Press Copy link under the board and paste the link into your email, so we can see exactly the same position.
• Feature idea? Tell us which kind of puzzle you're trying to solve and where you found it.

We usually reply within a few days.