If you are at school, check if you have installed.

The group spent hours playing Minecraft on the unblocked website, building elaborate structures, and fighting off monsters. They collaborated, sharing resources and ideas, and their creations began to take shape. They built a massive castle, complete with towers, moats, and a drawbridge. They explored caves, mined for diamonds, and fought off dragons.

Eaglercraft runs client-side, which is safe from a server perspective, but some unblocked sites inject custom code to mine cryptocurrency using your CPU while you play.