Java Edition Alpha v1.2.0

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Minecraft Alpha v1.2.0
Alpha v1.2.0.png

Java Edition

Official name

Halloween Update

Server version


Release date

October 30, 2010

Development versions

Client (.json)

Protocol version


Other editions of 1.2

Alpha v1.2.0, the first release of the Halloween Update, was released with server 0.2.2 on October 30, 2010, adding the Nether along with new Nether-exclusive mobs and blocks. It also added fishing, a new terrain generator, and other changes and fixes. This version is available in the launcher but when attempting to play it downloads Alpha v1.2.0_02 instead.[1]


  • New terrain generator, featuring biomes


Netherrack Revision 1.png Netherrack
Soul Sand Revision 1.png Soul Sand
Glowstone Revision 1.png Glowstone
Carved Pumpkin.png Carved Pumpkin
Jack o'Lantern Revision 1.png Jack o'Lantern
Portal.png Nether Portal


Clock.png Clock
  • Craftable item that tells the time
Glowstone Dust Revision 1.png Glowstone Dust
Raw Fish.png Cooked Fish.png Raw Fish and Cooked Fish


Ghast.png Ghast
Zombie Pigman Revision 2.png Zombie Pigman

World generation[edit]

The Nether
  • A hell-like dimension that can be used for quick travel.



  • New music tracks and sound effects.
  • Added "Slow acting portals!".
  • Added "Try the Nether!".
  • Added "Don't look directly at the bugs!".
  • Added "Oh, ok, Pigmen!".
  • Added "Finally with ladders!".
  • Added "Scary!".


  • Higher lighting values are required the deeper they are to keep mobs from spawning.
  • Stairs, crafting tables, chests, and furnaces now face the same direction as the player when placed.
  • Creepers have new sounds.
  • Grass and leaves are now darker in shade.
  • Sunrise now creates a red glow at the horizon.
  • Pressing F1 hides the HUD and the view-model from the person's view. In third person mode, pressing F1 will create a view looking back at the player's own face.
  • Fake chunks generate in the Far Lands.
  • Removed Winter Mode.