詰将棋アリーナ

Terms of Service

Last updated: February 25, 2026

1. Acceptance of Terms

These terms govern your use of Tsume Arena (the "Service"). By using the Service, you agree to be bound by these terms.

2. Accounts

You may sign in using a Google account or play as a guest. You are responsible for maintaining the security of your account.

3. Prohibited Conduct

Cheating, harassment of other users, interference with the operation of the Service, and any other illegal activity are prohibited.

4. Account Suspension and Deletion

We reserve the right to suspend or delete your account without prior notice if you violate these terms or if we deem it necessary for operational reasons. We are not liable for any damages resulting from such actions.

5. Changes and Interruptions

We may modify, suspend, or discontinue the Service at any time without prior notice.

6. Disclaimer

The Service is provided "as is" without warranties of any kind. We are not liable for any damages arising from your use of the Service.

7. Governing Law

These terms shall be governed by and construed in accordance with the laws of Japan.

Streaming & Content Creation Guidelines

The following guidelines apply to streaming and video content featuring Tsume Arena gameplay.

Permitted Use

  • Live streaming and video uploads on platforms such as YouTube, Twitch, and Niconico
  • Posting screenshots and gameplay clips on social media (X/Twitter, Instagram, TikTok, etc.)
  • Monetized content (ad revenue, Super Chat, memberships, etc.) is permitted
  • Using screenshots in blog posts and website articles about the game

Conditions

  • Please credit the game title "Tsume Arena" in your content (title, description, tags, etc.)
  • Do not present your content as if it were official content from the game
  • Content that includes harassment or personal attacks against other players is prohibited

Prohibited

  • Streaming or videos that promote cheating or the use of external tools
  • Extracting and redistributing game assets (images, audio, music, etc.) separately
  • Commercial use that goes beyond these guidelines (e.g., selling merchandise using game assets)

Note: These guidelines may be updated without prior notice.

Privacy Policy

Last updated: February 25, 2026

1. Information We Collect

We collect authentication information (email address, display name, profile image URL) through Firebase Authentication. We also store gameplay data such as match results, scores, and ratings.

2. How We Use Information

Collected information is used to provide and improve the Service, authenticate users, provide ranking and statistics features, and ensure service security.

3. Sharing with Third Parties

We do not share personal information with third parties without your consent, except as required by law.

4. Data Storage

User data is stored on Google Cloud (Firebase). We implement appropriate security measures to protect your data.