It features the original combat system (pre-1.9), which many players still prefer for its simplicity.
Modern versions of Minecraft require heavy hardware and the latest Java updates, which school computers often lack. Version 1.5.2, however, is incredibly lightweight. unblocked games minecraft 1.5 2
This was the first version to give us a reason to mine in the Nether besides Glowstone. It features the original combat system (pre-1