While the official Alpha 1.0.3 was a minor, if atmospheric, update, the version "1.0.3_02" is something else entirely. There is that Mojang ever released this version. It exists almost solely as a CreepyPasta—a user-generated horror story passed around forums, blog posts, and fan wikis. The most cited sources for its existence are community-run wikis dedicated to Minecraft horror fiction, not official Mojang archives.
The "Alpha 1.0.3_02" version is a . The legitimate game client does not contain the three-phase descent. However, community members have created mods that bring the myth to life. minecraft alpha 103 02 exclusive