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SENBON KUMIKI

Terms of Service — Senbon Kumiki

Status: Publication draft. This text is intended for the analytics-only build described in the Privacy Policy as implemented on 2026-09-06. It is not legal advice and should be reviewed before publication.

Canonical language: English. The Japanese text is a faithful translation and must be kept in sync.

Last updated: 2026-09-06

STUDIO-GENNAI ("we", "us", or "our") provides the Senbon Kumiki mobile game (the "App"). These Terms of Service (the "Terms") govern your use of the App. By downloading, accessing, or using the App, you agree to these Terms. If you are a minor, use the App only with the consent of your parent or legal guardian.

1. Scope

These Terms apply to the App and the related features that we provide with it. The Privacy Policy explains how information is handled and forms a separate part of the rules for using the App.

2. The App and acceptable use

The App is a puzzle game in which you remove interlocking pieces one at a time. The App may include level progression, undo actions, and other features described in the App or its store listing.

You are responsible for obtaining and maintaining a compatible device, operating system, and network connection. You must use the App in accordance with applicable laws, these Terms, and any instructions displayed in the App or on the relevant app store.

The analytics-only build does not require an account or sign-in. You may play the game whether or not you allow optional analytics.

3. Local game data and analytics consent

The App stores game progress, including puzzle state, level progress, and available undo actions, on your device. We do not operate our own game server or account system for this data. If you delete the App, clear its app data, change devices, or otherwise lose access to the device data, your progress may be lost and may not be recoverable.

Analytics is optional. You may choose "Allow" or "No thanks" when the App asks for analytics consent, and you may later withdraw your choice from the Analytics control on the level selection screen. The collection and handling of analytics data are described in the Privacy Policy.

4. No advertising or in-app purchases in this build

The analytics-only build described by these Terms does not include an advertising SDK, display advertisements, request Apple's App Tracking Transparency permission, or offer in-app purchases. This does not prevent us from adding, changing, or removing features in a later version. If we add advertising, tracking-related processing, or paid features, we will update the App, store information, Privacy Policy, and these Terms as appropriate before or when those features become available.

5. Intellectual property

The App, including its software, game rules, level designs, text, graphics, sounds, user interface, trademarks, and other content, is owned by us or our licensors and is protected by applicable intellectual-property laws.

Subject to these Terms, we grant you a limited, personal, non-exclusive, non-transferable, and non-sublicensable right to use the App for your own lawful, non-commercial purposes. No rights are transferred to you except as expressly stated in these Terms.

You must not copy, modify, distribute, sell, publicly perform, publicly display, sublicense, or create derivative works from the App or its content, except where applicable law or our written permission allows it.

6. Prohibited activities

You must not:

  • use the App for an unlawful purpose or in a way that infringes another person's rights;
  • reverse engineer, decompile, disassemble, or attempt to obtain the source code of the App, except to the extent that applicable law expressly permits it;
  • modify the App, bypass its technical protections, or use cheats, bots, macros, or other unauthorized tools;
  • interfere with the operation, security, or availability of the App or our website;
  • use automated systems to access, scrape, or reproduce the App or its content without our permission; or
  • misrepresent your identity or use the App to harm, harass, or exploit another person.

7. App stores and third-party services

The App may be distributed through Apple App Store, Google Play, or other platforms. The terms, policies, and technical requirements of the applicable platform also apply to your download and use of the App. Those platforms are not parties to these Terms and are not responsible for providing support for the App unless their own terms require otherwise.

The App uses Firebase Analytics as described in the Privacy Policy. Google and other third-party providers may have their own terms and privacy policies, which apply to their services.

8. Changes, suspension, and termination

We may add, change, suspend, or discontinue all or part of the App, including levels, features, supported devices, and distribution channels. We may do so for maintenance, security, legal compliance, technical reasons, or other reasonable operational reasons.

We may suspend or restrict access where reasonably necessary to protect the App, our users, or third parties, or to address a violation of these Terms. We will not use this section to limit rights that cannot be limited under applicable law.

9. Disclaimer

The App is provided on an "as is" and "as available" basis to the extent permitted by law. We do not promise that the App will always be available, error-free, secure, compatible with every device or operating-system version, or that local game data will never be lost.

Nothing in these Terms excludes or limits a warranty, right, or remedy that cannot be excluded or limited under the laws that apply to you.

10. Limitation of liability

To the maximum extent permitted by applicable law, we are not liable for indirect, incidental, special, consequential, exemplary, or punitive damages, or for loss of profits, data, goodwill, or business arising from or relating to the App.

Where we are liable for direct loss caused by our breach of these Terms, our liability is limited to the amount that you paid to use the App during the twelve months before the event giving rise to the claim. Because this analytics-only build does not offer in-app purchases, that amount may be zero. This limitation does not apply where liability cannot be limited by applicable law, including for intentional misconduct or gross negligence where the law so provides.

11. Changes to these Terms

We may update these Terms when reasonably necessary because of changes to the App, applicable law, security, or our operations. We will update the "Last updated" date. If a change materially affects your rights or the optional analytics processing, we will provide notice or request consent where required by law.

If you continue to use the App after the updated Terms take effect, you agree to the updated Terms to the extent permitted by applicable law. If you do not agree, stop using the App and delete it.

12. Governing law and jurisdiction

These Terms are governed by the laws of Japan, except to the extent that mandatory consumer-protection laws in your place of residence provide otherwise.

Any dispute relating to the App or these Terms will be submitted to a court with jurisdiction over STUDIO-GENNAI's principal place of business, unless applicable law gives you the right to bring the dispute elsewhere.

13. Contact

For questions about the App or these Terms, contact us at studio.gennai1@gmail.com.