Java Edition Indev 0.31 20100202-4

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Indev 0.31 2010-02-03.png

Java Edition

Release date

February 2, 2010


Client (.json)

A version of Indev 0.31 was released on February 2, 2010, at 23:27 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!



  • Mining underwater or in the air is now slower.
  • Pushes out items
  • Now hurts mobs but still not items.
  • 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 die in fire or lava.
  • Shadows display under dropped items.
  • Changed pickup animation for shot arrows.
Tools and Tiers
  • Harder materials no longer require better tools.[note 2]
  • Swords deal less damage
    • Diamond Sword: 10♥♥♥♥♥
    • Gold Sword: 4♥♥
    • Iron Sword: 8♥♥♥♥
    • Stone Sword: 6♥♥♥
    • Wood Sword: 4♥♥
  • Mining tools can hit mobs, their damage depends on the type and teir of tool.[note 3]
    • Shovels: 1,2,3,1,4
    • Axes: 3,4,5,3,6
    • Pickaxes: 2,3,4,2,5


  • 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.
  • Generate splash particles when swimming.


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


Two versions may have been released
  • Evidence suggests the existence of two versions being released very close to one another.
    • The 23:27 blog post announcing this version's release occurred 4 minutes before this page's client jar was packaged (23:31).
    • That blog post features Notch complaining about not yet getting mobs to function, yet gameplay of this page's client jar contains all of the old mobs, with animation.
  • It is unclear whether Notch's release blog post was intended as a prank, because he ends the post with the teaser, "But I did get some stuff in to this update. I’ll keep the details secret this time, though. (No new crafting)."
  • Other possible explanations:
    • He might have accidentally (or even intentionally) published a prepared blog post before the building/packaging of that version had finished.
    • The building, packaging, uploading, etc. of this version may have encountered a technical issue that took several minutes to resolve.
    • Notch's use of "functioning" in his blog post might instead be referring to whether the hostile mobs are able to act with hostility toward the player.


  1. While some sources imply that this version was released on February 3, it was actually released at 23:27 UTC on February 2 (which is 00:27 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.
  3. Order is Wood, Stone, Iron, Gold, Diamond


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