Privacy

Game actions and saves are processed in this browser. Analytics follow your region and preferences. No advertising SDK, external fonts or account authentication are loaded.

Storage on your device

Boards, results, display and sound settings are stored in this browser using IndexedDB or LocalStorage. The other 1 games do not save moves within a board. For supported games, stage numbers, layout seeds for retries, and best reached/cleared stages are stored separately in LocalStorage. Practical Tsume Shogi clears and Mental Math Sprint operation choices, progress and personal bests are also kept in LocalStorage. Recently played games, favorites, Snake and Brick Bounce bests, and Nonogram and Tangram clears also stay in this browser. Settings provides record export and restore. Backup files are processed locally and are not uploaded.

Connections and delivery logs

Pages, images and programs are delivered over HTTPS. The delivery server logs the time, request method and path, response status and transfer size for troubleshooting and safe operation. Its logs rotate daily and retain 14 generations. Intermediary equipment also processes information needed for connections. Game boards, input and backup contents are not sent to analytics.

Feedback submissions

Messages, selected type and game, language, receipt time and receipt number are kept in private server storage to review improvements and address problems. The form has no name or email field and does not provide individual replies. IP addresses are not stored in submission records. A temporary connection identifier is used in memory for up to ten minutes to limit repeated submissions.

Analytics

We use Google Analytics, provided by Google LLC, to measure page visits and supported game starts, resumes, engagement and endings. Page URLs, browser and device information and cookie identifiers are sent to Google. Boards, input, backups and feedback text are not sent. URL queries and fragments are excluded. Advertising signals are disabled. Analytics cookies expire after 90 days. Change your choice using Analytics preferences in the footer. We ask for permission in the EEA, UK, Switzerland or when the region cannot be determined. Elsewhere analytics start without an initial banner. Previous opt-outs are respected. You can play with analytics disabled.

We estimate the country from the connection IP locally on our server. We do not request device location or send your IP to a geolocation API, and do not store the region result. Country data: DB-IP (CC BY 4.0). An explicitly selected display language is kept in a dedicated cookie for up to one year.

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Permissions and contact

No location, photo, microphone or contact permissions are requested. Contact: Feedback form