# Basic Rules When you newly join the game, you will receive a free "Ozora Tsubasa" player NFT. This free "Ozora Tsubasa" player NFT has 1/10 the performance of other player NFTs. * $TSUBASAUT can be earned in RIVALS mode. * $TSUBASAUT required for development, etc. The following conditions are set as other restrictions. * Minting is not allowed based on this NFT. * You can use this NFT as a partner for minting, but it will disappear when you use it. Let's experience the RIVAL mode first by using the free player NFTs! --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://captain-tsubasa-rivals.gitbook.io/en/free-to-play/basic-rules.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.