Java Edition pre-Classic rd-131641

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This article's name is unofficial.
An official name is yet to be given to the subject matter and may change at any time.
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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.

Java Edition

Date developed

May 13, 2009



rd-131641 refers to a pre-Classic version of Minecraft: Java Edition (or, as it was known back then, Cave Game) made on May 13, 2009.[1] This version was unreleased, and no footage exists of this build.


  • Improved performance slightly.[1]


  1. a b "lwjgl IRC logs" (archived) – Echelog, May 13, 2009. "[18:41:59] <Notch_> I made it only update two chunks per frame maximum, and it's very slow"