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This page documents an unreleased version. 
While there is proof of this version's existence, it was never released to the public.

rd-131648 is the first unreleased version of Minecraft pre-Classic (then known as Cave Game) created on May 13, 2009 at 16:48 UTC.[1] This version was never released to the public, and there isn't any footage either. Despite the fact that the development of Minecraft began some time before this version, older testimonies are not considered separate versions, as they were extremely unstable and, in fact, unplayable.


  • Increased performance.[1]


  1. a b "lwjgl IRC logs" (archived) – Echelog, May 13, 2009. "[18:48:38] <Notch_> I managed to force it to do as I want now. 72 fps, 288 chunk updates per second"