Effective date: September 15, 2026
This Privacy Policy describes how Reaction Challenge ("the Game") collects, uses, and protects information when you use the Game on any supported platform (web, RuStore, VK Mini Apps, OK, Huawei AppGallery, or other distribution channels).
The Game is developed and operated by Vladislav Gaidukov (contact: inbox@vlgaidukov.ru).
Account information. When you sign in through a third-party platform (VK ID, OK, RuStore), we receive a unique user identifier, display name, and profile avatar. We do not receive your password, email address, or contacts.
Gameplay data. We store your progress, scores, leaderboard results, and win/loss statistics. This data is stored locally on your device and, when you are online, synchronized with our game server to power the leaderboard and challenges.
Technical data. The Game stores preferences such as language, audio settings, and notification permissions in local storage on your device. This data never leaves your device.
Purchases. There are no in-app purchases in the Game: all game modes are available for free. On platforms that support advertising, interstitial or banner ads may be shown.
Advertising. The Game may display advertisements on platforms that support them (including VK Mini Apps and Huawei AppGallery). Ads are served by the relevant platform provider or its advertising networks, which process data according to their own privacy policies, in line with the age rating assigned to the Game on each platform.
Server communication. When you use the leaderboard and challenges, your user ID, nickname, and results are sent to our server hosted at challenge.vinxor.ru. No other personal information is transmitted.
We do not sell, rent, or share your personal data with third parties except:
Leaderboard and challenge data is retained as long as the Game service is operational. Local game data remains on your device until you uninstall the Game or clear application data.
We use industry-standard encryption (HTTPS) for all server communication. We do not store passwords, payment details, or sensitive personal information on our servers.
The Game is rated 3+ (or equivalent) on platforms where this rating applies, such as Huawei AppGallery. We do not collect more personal information than needed to run gameplay and leaderboards, and we follow applicable child privacy rules on each platform.
We may update this Privacy Policy from time to time. The "effective date" above will be revised. Continued use of the Game after changes constitutes acceptance of the updated policy.
For questions about this policy or your data, contact us at inbox@vlgaidukov.ru.
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