0.0.2a (16h 52min, may 16, 2009 y – 18h 4min, may 16, 2009 y)

Description:

0.0.2a was the first version of Classic released on May 16, 2009, at 16:52 UTC, which added a version number and fixed some issues with the mouse look.

Trivia:

-This was deemed "relatively stable" by Notch, and the URL for the game was posted to other users in the IRC channel.

-This was the first version of Minecraft to have its code obfuscated.