The original creator (likely a student coder) took an open-source Minecraft clone — such as or a modified Eaglercraft build — rebranded it, stripped server authentication, and optimized it to run inside any browser with JavaScript enabled , even on locked-down Chromebooks.
If you are posting this on a platform (like YouTube or a blog), be aware that "unblocked" games often violate network policies in schools or workplaces. You might want to add a small disclaimer like: "Remember to only play during breaks or free time!" minecraft unblocked eagtek