# Play-to-Earn In the early version of the Tribal Island, the earning modes include collecting “energy crystals”, opening treasure boxes, selling NFTs, event rewards, airdrop rewards, and staking pool rewards. With the iteration of the game version, more Play-To-Earn modes will be released later. --- # 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://tribalisland.gitbook.io/tribalisland-whitepaper/economic/play-to-earn.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.