# Sign Up Get started by first getting yourself signed up to the app. There are 2 versions of the NFL game, a Free-to-Play (FTP) version, and a Pro (paid) version. Both platforms play out the same for set-up and game mechanics. Pro uses Gold designed to map 1:1 with USDC on Base. **Free To Play version**: [https://app.sport.fun/nfl](https://pro.sport.fun/nfl) **Pro Version**: {% hint style="info" %} When attempting to sign-up, make sure to check your spam if confirmation emails are not appearing in the inbox. If it really won’t work, try adding to your email contacts. {% endhint %} ## NFL App or Desktop You can play the NFL game on both Desktop or Mobile. If playing on mobile, we suggest you download the PWA (Progressive Web App). ### How to install PWA 1. Head to [https://app.sport.fun/nfl](https://pro.sport.fun/nfl) or on your mobile browser 2. Click the browser menu (e.g., "..." or "three dot" icon) 3. Click "Install" or "Install App" or "Add to Home Screen" (Depending on browser and OS) 4. You'll now find NFL game as a mobile app on your home screen or in your app list on your mobile. ## Invite Codes Signing up with a invite code is optional. But using and sharing invite codes can unlock bonus objectives for you and the invitee. --- # 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://docs.sport.fun/nfl/getting-started/sign-up.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.