If you want to travel back to December 2010, the official Minecraft Launcher makes it easy: Open the . Go to the Installations tab.
You might think, "Why would anyone play a buggy, content-starved version from 2010?" minecraft 1.2.6 alpha
However, the most defining—and controversial—feature of this era was the . In Alpha 1.2.6, worlds were finite. They were massive, bordering on infinite for the average explorer, but they eventually hit a wall of bedrock and ocean. This created a feeling of a contained, conquerable world, very different from the endless procedurally generated realms of today. If you want to travel back to December