Terms of Service
Effective and last updated: 25 October 2026
These terms govern the use of unholy.website and BLACK RIVER ARCADE, operated under the ARCANA MUNDUS developer brand in connection with UNHOLY. They describe the general service; official rules for any prize competition are separate. Contact: unholy.game.blackriver@gmail.com.
1. Using the service
Browser games are offered free of charge where available. You are responsible for your device, browser, internet connection and any charges from your own providers. Use the service only where lawful and where you can validly accept these terms, obtaining a parent or guardian’s involvement where the law requires it. The games can include horror and violence. These terms do not set a single worldwide age threshold; specific eligibility requirements for prize events must be stated in their separate rules.
2. Accounts and sign-in
Online features may require Google or Apple sign-in through Supabase Auth and an arcade profile. Use an account you control, keep access to it secure, and do not impersonate another player or share, sell or misuse accounts to evade restrictions. Identity-provider terms also apply. Report suspected unauthorized access to the contact email. We do not ask for your Google or Apple password.
3. Nicknames
Choose a nickname that does not disclose another person’s private information or infringe rights. Do not use names that impersonate staff or other players, promote hatred, contain unlawful threats, or are abusive or deceptive. We may ask you to change a nickname or restrict a profile for a substantiated violation. A nickname does not give you ownership of the service or exclusive rights to a trademark.
4. Fair play and prohibited conduct
Do not use cheats, unauthorized automation, altered clients or fabricated requests to gain a competitive advantage. Do not forge scores, manipulate run data, exploit bugs for rankings, coordinate fraudulent submissions or evade enforcement through extra accounts. Do not attack the service, attempt unauthorized access or interfere with other users. Report exploitable bugs privately by email; authorized security research must stay within permission actually granted.
5. Local play and competitive submissions
Local records stored on your device are for personal play and are not verified competition entries. Online participation requires the conditions shown for the relevant mode and event, including a valid account where required. A local score, screenshot or success screen alone does not establish an official result. Rankings can depend on server acceptance, integrity checks and review. Service interruptions can prevent a submission from being recorded.
6. Review, rankings and appeals
We may withhold, reject or remove results after reviewing evidence of cheating, invalid data, exploitation or a technical error. A flag or unusually high score is not by itself a final finding of misconduct. Reviews may include technical checks and manual examination; no perfect anti-cheat system is promised. We may restrict accounts for supported violations, proportionately and subject to applicable law. To ask for a review, email your nickname, game, approximate run time and the issue. Never include credentials. Pending and provisional results can change before confirmation.
7. Publication and personal information
By submitting to an online ranking or event, you understand that your nickname, rank, score, wave and confirmed winning placement can be publicly displayed in HIGH SCORES or THE LEGENDS OF BLACK RIVER, as applicable. Choose a public nickname carefully. Personal information is handled under the Privacy Policy, including the process for account and data deletion requests. This clause does not grant permission to publish your email address.
8. Prize events have separate rules
These terms do not create a prize competition or promise a reward. Each official prize competition must have separately published rules identifying the organizer, dates and time zone, eligibility and territorial restrictions, scoring and tie-breaks, verification, prizes, winner notification and claiming procedure, and cancellation conditions. Entry is subject to those rules and applicable law. A leaderboard position alone does not guarantee a prize. If specific event rules and these general terms address the same competition issue differently, the event rules apply to that issue subject to mandatory law.
9. Game materials and permitted use
ARCANA MUNDUS and the relevant rights holders retain their rights in game software, images, music, names and other materials. You receive permission to use the publicly offered browser games for personal, non-commercial play under these terms. You may share links to the official site. This permission does not authorize redistribution of game files, extraction or resale of assets, use of music or branding in unrelated products, or removal of rights notices without permission or a legal exception. Third-party materials remain subject to their own licenses; statutory rights are unaffected.
10. Availability and changes
Features, content and technical requirements can change, and maintenance or faults may interrupt access. Local browser data can be lost and online records can be corrected when justified. We may suspend or discontinue features, communicating significant changes where reasonably practicable and legally required. We do not guarantee uninterrupted service, permanent availability of a game or a particular ranking. Material changes to these terms will be published with a new date and notified where required; they do not retroactively remove mandatory rights or already established prize obligations.
11. Responsibility and mandatory rights
The service is provided as available, subject to the rights and guarantees that cannot lawfully be excluded. To the extent permitted by applicable law, we do not make promises of error-free operation or suitability for every device. Nothing in these terms excludes liability that cannot legally be excluded, removes mandatory consumer or data-protection rights, or forces you to waive a right to a competent court or authority.
12. Contact
For support, fair-play reviews and questions about these terms, contact unholy.game.blackriver@gmail.com. For personal-data requests, use the procedure in the Privacy Policy.