Minecraft 1.5.2 is a minor update for the Java Edition of Minecraft, officially released on May 2, 2013, to improve performance and fix some of the bugs and crashes that appeared in versions 1.5 and 1.5.1. It was preceded by a pre-release version on April 25, 2013. While primarily a bug-fix release, version 1.5.2 was part of the larger “Redstone Update” era (version 1.5), which significantly expanded redstone mechanics in the game.
Advanced controls can be customized in the options menu. ---- Minecraft 1.5.2 Unblocked
"Failed to authenticate your connection" Minecraft 1
Several open-source sandbox games offer similar building mechanics to Minecraft, including (a completely free and open-source voxel game engine) and Terasology . While not identical to Minecraft, they can satisfy the building itch without legal concerns. Advanced controls can be customized in the options menu