Java Edition pre-Classic rd-20090510

rd-20090510 refers to a theoretical pre-Classic version of Minecraft (then called Cave Game) made on May 10, 2009. This version was unreleased and is the first known build of the game to be compiled. No footage exists of this build.

Trivia

 * The development of what was to become Minecraft first started, using the source code of RubyDung (an unfinished game that Notch was making prior to Minecraft) as a base (it also used inspiration from ''Infiniminer).