While 1.1.2.2 is the current king of unblocked play, newer versions (like 1.2.0, 1.3.0, and the experimental “u24” builds) offer pistons, better lighting, and even a recreation of the 1.8.9 combat system. However, these newer versions are —they struggle on school laptops.
It is important to clarify the difference between the classic version and the 1.12.2 version: unblocked eaglercraft 1122 upd