These terms govern the use of levelcero.com (the "site"), published by Level 0 Store (Level Cero), Bolivia. By using the site you accept these terms. If you don't agree, please don't use it.
1. What the site offers
Free guides to learn to solve the Rubik's cube and other puzzles: web pages in Spanish, English and Portuguese, downloadable PDF documents and videos published on YouTube and TikTok. The content is educational and provided as is, free of charge.
2. Permitted use of the content
You may read, download, print and share the guides for personal or educational use, or in clubs and schools, as long as you don't modify them, keep the Level 0 brand and don't charge for them. Linking to any page of the site is allowed and welcome.
You may not sell the guides or drawings, publish them as your own, or copy the site in whole or in part for another site or product without written permission.
3. Intellectual property
The texts, drawings, diagrams, videos, design and the Level 0 brand belong to Level 0 Store. The algorithms and the notation are common knowledge of the speedcubing community and belong to no one. Rubik's Cube® is a registered trademark of Spin Master Ltd.; this site is not affiliated with, sponsored or endorsed by its owners.
4. No warranty
We check every algorithm with a simulator before publishing it, but the content is provided "as is", with no guarantee that it is error-free or that the site will always be available. If you find a mistake, please write to us.
5. Limitation of liability
To the extent permitted by law, Level 0 Store is not liable for damages arising from the use of the site or the inability to use it. Solving a cube carries no special risk, but cubes contain small parts: not suitable for children under 3.
6. Third-party links and services
The site links to YouTube, TikTok, Binance and other services with their own terms and policies. We don't control those services and aren't responsible for them.
7. Advertising
The site may show Google AdSense ads to cover its costs. The ads are chosen by Google; their presence doesn't mean we recommend the products advertised. More in the privacy policy.
8. Donations
You can support the project with voluntary cryptocurrency donations (Binance Pay or USDT). A donation:
- is voluntary and gives no right to any product, service, exclusive content or anything in return;
- is not a purchase, an investment or a loan, and can't be refunded;
- is the sender's responsibility: check the address and the network before sending. Anything sent to a wrong address or network can't be recovered;
- is processed by Binance or the corresponding blockchain network, under their own conditions and fees.
9. Languages
The site is published in Spanish, English and Portuguese. If the versions differ, the Spanish version prevails.
10. Changes
We may update these terms. The date above shows the latest version; continuing to use the site after a change means you accept it.
11. Governing law
These terms are governed by the laws of the Plurinational State of Bolivia.
12. Contact
For any question: level.cero.bo@gmail.com.