Contact

Get in touch

Contact Size Comparison Game about measurement sources, artwork, accessibility or a problem while playing.

Email us

For game issues, measurement corrections, artwork or accessibility questions, write to contact@sizecomparisongame.org. This link opens your email app; the site does not collect a message through a web form.

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What helps us investigate

For a question or score issue, include the UTC date or practice mode, the two objects, and what looked wrong. For a measurement correction, add a source link and the dimension or version it covers. A screenshot and your browser or device can help with display problems. Please do not send passwords or other sensitive information.

About this address

Incoming mail to this address is forwarded through Cloudflare Email Routing to the site operator’s Gmail inbox. This is an incoming contact address; it does not guarantee replies will be sent from the same address. See the Privacy page for how correspondence is handled.