Ensure you are using the exact same browser you used when you created the world. Chrome and Firefox do not share local storage. Final Thoughts
The most requested feature? Most public Eaglercraft servers require Wi-Fi. But with the Offline Download version, you can save the entire game to your computer or USB drive and play it anywhere—even on an airplane or in a school library with Wi-Fi turned off. eaglercraft 1.5.2 offline download
Even offline, things can go wrong. Here are fixes for the top three issues. Ensure you are using the exact same browser
Clearing your browser's site data, cookies, or history may wipe your local single-player worlds. eaglercraft 1.5.2 offline download
Built-in WebSocket technology allows connection to specialized Eaglercraft servers.