Last updated: July 20, 2026.
Use of the site
You may use the site for personal, noncommercial play and learning. Do not interfere with the site, attempt unauthorized access or use automated traffic to manipulate advertising or analytics.
Game and rule information
Marble rules differ by place and tradition. Our guides are educational and do not replace rules agreed by players, clubs or tournament organizers.
Availability
We may change, pause or remove site features to maintain quality, security or legal compliance.
Contact
Questions about these terms can be sent through our contact page.