Use the official Minecraft Launcher → Alpha 1.2.7 is included. Do not download from random websites.
Minecraft has come a long way since its humble beginnings, but for those who nostalgically yearn for the early days of blocky exploration and survival gameplay, Minecraft Alpha 1.2.7 is here to transport you back in time. Released on January 12, 2011, this version of Minecraft marked a significant point in the game's development, introducing several features and changes that would shape the game's future. Minecraft Alpha 1.2.7 Download
: Mobs often spawn with missing limbs, distorted faces (such as animals with faces on their backs), or entirely missing textures. Use the official Minecraft Launcher → Alpha 1