I’m not advocating breaking rules, but I understand the technical curiosity. If your school blocks all HTML file execution:
If you have admin rights, buy the official Play Store version. If you’re locked down with no options, Eaglercraft is your best bet. Eaglercraft Download Chromebook
Go to chrome://flags/#enable-webgl2-compute-context , enable it, and restart Chrome. Also ensure your Chromebook isn’t in “Power saver” mode, which disables hardware acceleration. I’m not advocating breaking rules, but I understand
The primary appeal of Eaglercraft is that it is a "web port." You often do not need to download a file to play it. I’m not advocating breaking rules