Terms of Use

Last updated: October 19, 2026

Using the game

Size Comparison Game is free to play for personal, educational and classroom use. By using the site you agree to these terms. Please don't try to disrupt the service, for example by overloading it with automated requests.

Accuracy

Sizes are typical values taken from published sources and are provided for entertainment and education. Real animals and objects vary, and sources sometimes disagree. Don't rely on the game for anything where an exact measurement matters. If you spot an error, please let us know.

Content and credits

The game, its text and the hand-drawn silhouettes belong to Size Comparison Game. Animal silhouettes from PhyloPic remain the work of their artists and are used under the public domain and Creative Commons licenses listed on the sources page. You're welcome to share your results and screenshots.

No warranty

The site is provided “as is”, without warranties of any kind. We may change, pause or discontinue any part of it at any time, and we are not liable for any loss arising from its use to the extent permitted by law.

Changes

We may update these terms; the date at the top shows the latest version. Questions? Email [email protected].