If your device is relatively modern (released within the last 3–4 years) and you use an up-to-date Chrome browser, choose the WASM-GC version for the best experience. If you're on an older device or experiencing instability, stick with the standard JS version.
It's important to understand the context surrounding Eaglercraft:
Click "Profile Settings" to choose a username and upload your custom skin.
Browser cookies can be cleared. If you are playing single-player, use the "Export World" feature frequently to save your progress to your computer. Final Thoughts