Java Edition Indev 0.31 20100202

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Indev 0.31 2010-02-03.png

Java Edition

Release date

February 2, 2010


Client (.json)
No corresponding server



A version of Indev 0.31 was released on February 2, 2010, at 23:31 UTC.[1][note 1]



Debug info
  • Added "E" (Entity count), "P" (Particle count), and "LT" (number of chests).[verify]
  • Added new splashes:
    • As seen on TV!
    • Awesome!
    • 100% pure!
    • May contain nuts!
    • Better than Prey!
    • More polygons!
    • Sexy!
    • Limited edition!
    • Flashing letters!
    • Made by Notch!
    • Coming soon!
    • Best in class!
    • When it's finished!
    • Absolutely dragon free!
    • Excitement!
    • More than 4000 sold!
    • One of a kind!
    • 700+ hits on YouTube!
    • Indev!
    • Spiders everywhere!
    • Check it out!
    • Holy cow, man!
    • It's a game!
    • Made in Sweden!
    • Uses LWJGL!
    • Reticulating splines!
    • Minecraft!
    • Yaaay!
    • Alpha version!
    • Singleplayer!
    • Keyboard compatible!
    • Undocumented!
    • Ingots!



  • Generates splash particles when swam in.
  • Pushes out items
  • No longer generates on the surface of Normal themes worlds.
  • Now hurts mobs
    • But still items are safe from TNT explosion.
  • Pushes away entities.
Ores and stone
  • No longer require a pickaxe to break the block, although a pickaxe breaks it much faster[note 2]
    • Once again possible to mine stone-related blocks with anything that's not a pickaxe
    • Mineral blocks (iron, gold, diamond) are treated similarly to their corresponding ores.


  • No longer be destroyed in fire or lava.
  • Shadows display under dropped items.
  • No longer go into hidden inventory slots once a save is reloaded.
Tools and Tiers
  • Harder materials no longer require better tools.[note 2]
  • Mining underwater or in the air is now slower.
  • Swords deal less damage.
  • Mining tools can now hit mobs. Their damage depends on the type and tier of tool.
Tool damage
Wood Stone Iron Diamond Gold
Shovel 1♥ 2♥ 3♥♥ 4♥♥ 1♥
Pickaxe 2♥ 3♥♥ 4♥♥ 5♥♥♥ 2♥
Axe 3♥♥ 4♥♥ 5♥♥♥ 6♥♥♥ 3♥♥
Sword 4♥♥ 6♥♥♥ 8♥♥♥♥ 10♥♥♥♥♥ 4♥♥


  • Re-added Pigs, Sheep, Skeletons, Creepers, Zombies and Spiders
    • Monsters are passive due to their hostile AI missing.
    • Sheep spawn with no wool due to their AI for eating grass not working.
    • All mobs have 10♥♥♥♥♥ health.
  • Removed Humans.
  • Changed pickup animation for arrows and dropped items.
    • They now get sucked up when the player walks onto them.


From the previous version

  • Flowers no longer spawn with dirt under them.
  • Standing with your head inside non-solid blocks no longer causes extreme fog.


  • The 23:27 UTC blog post announcing this version's release occurred 4 minutes before this page's client jar was packaged (23:31).
    • The blog post features Notch talking about not yet getting mobs to function, yet gameplay of this page's client jar contains all of the old mobs, with animation.



  1. While some sources imply that this version was released on February 3, it was actually released at 23:31 UTC on February 2 (which is 00:31 on February 3, Sweden time).
  2. a b This has been verified during gameplay of this page's client jar, dated February 2, 2010 23:31 UTC.


  1. "No functioning mobs today, unfortunately" – The Word of Notch, February 2, 2010.