Privacy Policy
CalmStacks (“we”) runs free browser games at calmstacks.com. This policy explains what stays on your device and how optional tips keep the site online.
What we collect
- Gameplay progress (personal bests, rounds played) stored only in your browser via
localStorage— never uploaded to our servers. Clearing site data resets progress. - Anonymous analytics via Cloudflare Web Analytics when enabled (optional; no ad networks).
Tips
The site is free and ad-free. Optional tips help cover hosting. Tip links open a third-party page with its own privacy policy.
International visitors
CalmStacks is available worldwide. The site is written in English. Scores stay on your device regardless of country.
Your choices
- Clear site data in your browser to reset local scores and rounds.
- Block third-party scripts if you prefer no analytics.