Terms of Use
Last updated: September 2026
1. Acceptance of Terms
By downloading or using QUIZ / BRAIN BATTLE, provided by Efelyra Studio, you agree to these Terms of Use. If you do not agree with any of these terms, please do not use the application.
2. Intended Use
QUIZ / BRAIN BATTLE is provided solely for entertainment and general knowledge purposes. While we employ editorial review for our catalog of questions, the content may still contain errors, inaccuracies, or omissions. We do not guarantee the absolute factual correctness of any question or answer.
3. Service Availability and Requirements
We provide no guarantee of uninterrupted availability of the application or its underlying services. An active Internet connection is required to launch and use the application. We enforce version requirements to ensure a stable experience; as such, mandatory app updates may be required to continue playing.
4. Local Progress
All gameplay progress is saved locally on your device. We do not offer cloud saving. Your progress can be permanently lost if you uninstall the application, clear its data, or change devices.
5. Acceptable Use
You agree to use the application strictly for its intended entertainment purposes. You must not attempt to reverse engineer, disrupt, or interfere with the application's infrastructure, including its version-check endpoints.
6. Intellectual Property
The application software, original design, branding, arrangement, original editorial material and other original elements created for QUIZ / BRAIN BATTLE are owned by or licensed to Efelyra Studio, as applicable. Names, trademarks, factual information and third-party materials remain the property of their respective owners where applicable. You may not copy, modify, distribute, or reproduce any part of the application without explicit permission.
7. Limitation of Liability
To the maximum extent permitted by law, Efelyra Studio shall not be liable for any direct, indirect, incidental, or consequential damages resulting from your use of or inability to use the application.
8. Contact Information
If you have questions about these Terms of Use, or need support, contact us at: efelyrastudio@gmail.com