Java Edition Alpha v1.0.2_01

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Minecraft Alpha v1.0.2_01
Alpha v1.0.2 01.png

Java Edition

Release date

July 6, 2010[1]


Client (.json)
No corresponding server

Alpha v1.0.2_01[2][3][4] is an update that made changes to redstone-related items.



Redstone dust
  • No longer breaks when stepped on.
  • No longer connects through solid block diagonally down.
  • Now emit dust particles.
Redstone torches
  • Now only send redstone signals into blocks above or next to them.


  1. Minecraft Alpha version 1.0.2_01 – The Word of Notch, July 6, 2010
  2. "Minecraft 5-clock with 4 doors because I couldn't do 5"– HALPCat on YouTube, July 6, 2010
  3. "Minecraft Pig Meat Factory"– kasp0021 on YouTube, July 6, 2010
  4. "How to mine efficiently in Minecraft"– CommanderPT on YouTube, July 6, 2010