Effective Date: July 10, 2026
Preface
This Privacy Policy (hereinafter referred to as the "Policy") is formally formulated by the operator of Quick Math Duel (hereinafter referred to as "we", "us", or "our"). This Policy complies with the Personal Information Protection Law of the People's Republic of China, the Cybersecurity Law of the People's Republic of China, the Minor Network Protection Regulations, and other applicable domestic and international data protection and network security laws and regulations.
This Policy clearly defines the rules for the collection, usage, storage, protection, sharing and disclosure of your personal information during your use of the Quick Math Duel game services, as well as all legitimate rights you hold regarding your personal information. By downloading, installing, registering, logging in and using all functions and services of this game, you confirm that you have fully read, understood, and voluntarily agreed to all terms of this Policy. If you do not accept any part of this Policy, you shall immediately stop downloading and using our game services.
1. Definitions and Scope of Application
Game: Refers to the casual math duel puzzle game named Quick Math Duel, including all official mobile terminals, client versions, updated iterations and all affiliated functional services.
User: Any natural person who accesses, registers, logs in, browses or uses any functional services provided by the Game.
Personal Information: Refers to electronic recorded information that can independently or jointly identify your personal identity or reflect your game usage activities, including device information, account data, in-game behavior records, and user service feedback information.
Scope of Application: This Policy applies to all official services of Quick Math Duel. It does not apply to third-party advertisement links, external platform services, and third-party software that can be accessed through our Game.
2. Information We Collect and Collection Purposes
We strictly abide by the principles of legality, necessity, minimum scope and good faith. We only collect user information necessary for game operation, service maintenance, user experience optimization and account security protection, and will not collect any personal information irrelevant to our services. The detailed collected information and corresponding purposes are as follows:
To ensure stable game operation, adapt to different mobile device environments, resolve game crashes, freezes, flashbacks and other technical faults, and prevent malicious attacks, cheating and illegal access, we will automatically collect basic device and network data, including device model, operating system version, unique device identifier, network type, IP address and screen parameters. Such information is only used for game adaptation, technical maintenance and security risk control, and cannot be used to independently identify user personal identity.
When you register a game account or log in through official or authorized third-party channels, we will collect your account nickname, avatar, encrypted login credentials and login records. This information is used for user identity verification, secure login authentication, unique account management, and protection of your account ownership and game data security.
We record your core math duel game behavior data, including math challenge records, duel match results, accuracy rate, response speed statistics, game online duration, ranking data, achievement unlocking status, functional operation logs and interactive behavior data. Such data is mainly used to save your personal game progress and ranking records, retain personalized game settings, optimize math duel difficulty and matching mechanism, analyze user learning and gaming preferences, and continuously upgrade and improve game quality and player experience.
When you submit fault reports, functional suggestions, problem feedback or consult customer service through the in-game feedback entrance and official channels, we will collect problem descriptions, screenshot materials and contact information you actively provide. Such information is only used to verify service problems, respond to your demands, provide after-sales support and optimize game functions.