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A version of Indev 0.31 was released on January 31, 2010, at 22:45 UTC.[note 1]



  • Readded support for older mob models.


Menu screen
  • Comprises all of the buttons and text for both the main menu and the pause menu.
  • Java Edition logo 1 Has a game logo and dirt background which slowly scrolls.
  • Pre-beta! The yellow text "Pre-beta!" pulsates on the menu screen.



Water JE6 Water
  • Texture can now be seen while underwater.
  • Swimming creates bubble particles.
Brown Mushroom JE2 Brown Mushrooms
  • Now emit light.[1]
Water Spawner Water Spawner
  • Now creates water even if any previous attached water was removed.
Lava Spawner Lava Spawner
  • Now creates lava even if any previous attached lava was removed.
Crafting Table JE2 Workbench


  • Now get destroyed by fire and lava.
  • Flint and Steel removed from the hotbar.
  • Swords are used to deal more damage than punching.
    • Diamond Sword: 16♥ × 8
    • Gold Sword: 4♥♥
    • Iron Sword: 12♥ × 6
    • Stone Sword: 8♥♥♥♥
    • Wood Sword: 4♥♥
  • Higher tier tools mine faster.
  • Tools now take damage when used.
    • Diamond: 257 durability
    • Gold: 33 durability
    • Iron: 129 durability
    • Stone: 65 durability
    • Wood: 33 durability
    • Flint and Steel: 65 durability
  • Swords take 1 damage when hitting a mob and 2 damage when breaking a block.


Steve Mob
  • Changed the model back to the one used for the player.
  • Removed Black Steve, Beast Boy, and Steve model variants.


  • Changed block shading on the sides of blocks for a third time in Indev.
  • Fullscreen mode now makes the hotbar, GUI's and text slightly larger.
  • Punching mobs deals 1♥ damage.
  • Bedrock now appears at the bottommost 2 layers of the world.
  • The lava sea will only generate whenever caves cut through the top layer of bedrock.
    • The bottom layer of bedrock can very rarely have gaps.


From the previous version
  • The number on hotbar items no longer pulses when new items are picked up.
  • Bows no longer disappear when used without arrows.



  1. The jar of this version is dated January 31, 2010 at 22:45 UTC.


  1. "Glowing mushroom" by dehodson – Minecraft Forum, January 31, 2010. "Notch put this in. Congrats Peri. ... Source: minecraft.net/indev. See for yourelf. Put a brown shroom in a perfectly dark room. It glows."