{{Version conjecture|0.31}}
{{Lost version|pre-reupload}}
{{Infobox version
|title=0.31
|image=Indev 0.31 20100202-2330.png
|edition=java
|date=February 2, 2010
|clientdl=Original clients unavailable<br>[https://archive.org/download/Minecraft-JE-Indev/in-20100203/in-20100203.jar Client]
|jsondl=[https://archive.org/download/Minecraft-JE-Indev/in-20100203/in-20100203.json .json]
|serverdl=No corresponding server
|prev=Indev 0.31 20100201-2227
|next=Indev 0.31 20100204-1541
}}

A version of '''Indev 0.31''' was released on '''February 2, 2010''', at 21:57 UTC.<ref>Miclee's logs: "[16:58] <Notch> ok, all the old models are in the game now, yay"</ref>. It was announced on [[The Word of Notch|TWoN]] at 23:27 UTC<ref>{{link |url=https://web.archive.org/web/20140427012048/http://notch.tumblr.com/post/367646413/ |title=No functioning mobs today, unfortunately |website=The Word of Notch |date=February 2, 2010}}</ref><ref group="note">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).</ref>

This version was reuploaded for the first time at 23:11 UTC<ref>DBN's logs: "P5:11:23 <Notch> indev's been updated again"</ref>

This version was soon reuploaded for the second time at 23:26 UTC(1 minute before update is announced)<ref>{{link|url=https://www.minecraftforum.net/forums/archive/alpha/alpha-survival-single-player/796649-a-secret-update|title=A secret update?|author=Farrone|website=Minecraft Forum|date=February 2, 2010}}</ref>

This version was reuploaded for the final time at 23:30 UTC for fixing loading bug<ref>DBN's logs: "P5:30:39 <Notch> i uploaded a fix to the loading bug"</ref>

== Additions ==
=== General ===
; Debug info
* Added "E" (Entity count), "P" (Particle count), and "LT" (number of chests).{{verify|type=change|edition=java|is it really chests?}}
** The second value of "LT" would go up every time a chest is placed.
** The first value of "LT" seemingly is unaffected by this.

; [[Splash]]
* 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!

== Changes ==
=== General ===
; Splash
* Depending on the length of the splash, it changes size in accordance to the default resolution.

=== Blocks ===
; [[Water]]
* Generates splash particles when the player is swimming in it.

; [[Lava]]
* Pushes out items.
* No longer generates on the surface of Normal themed worlds.

; [[TNT]]
* Now hurts mobs.
** Items are still safe from TNT explosions.
* Pushes away entities.

; [[Ore]]s and [[stone]]
* No longer requires a pickaxe to break the block, although a pickaxe breaks it much faster.<ref group="note" name="gameplay_evidence" />
** 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.

=== Items ===
* No longer destroyed in fire or lava.
* Shadows display under dropped items.
* No longer go into hidden inventory slots once a save is reloaded.

; [[Tool]]s and [[tiers]]
* Harder materials no longer require better tools.<ref group="note" name="gameplay_evidence">This has been verified during gameplay of this page's client jar, dated February 2, 2010 23:31 UTC.</ref>
* 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.
{| class="wikitable"
|+ Tool damage
|-
! {{diagonal split header|Type|Tier}} !! Wood !! Stone !! Iron !! Diamond !! Gold
|-
! [[Shovel]]
| {{hp|1}} || {{hp|2}} || {{hp|3}} || {{hp|4}} || {{hp|1}}
|-
! [[Pickaxe]]
| {{hp|2}} || {{hp|3}} || {{hp|4}} || {{hp|5}} || {{hp|2}}
|-
! [[Axe]]
| {{hp|3}} || {{hp|4}} || {{hp|5}} || {{hp|6}} || {{hp|3}}
|-
! [[Sword]]
| {{hp|4}} || {{hp|6}} || {{hp|8}} || {{hp|10}} || {{hp|4}}
|}

=== Entities ===
; Mobs
* 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 {{Health|10}} health.
* Removed entities known as "[[Mob (entity)|mobs]]".

; Other
* Changed the pickup animation for arrows and dropped items.
** They now get sucked up when the player walks into them.

== Fixes ==
''' From the previous version '''
* Flowers no longer spawn with dirt under them.
* Standing with the player's head inside non-solid blocks no longer causes extreme fog.

== Gallery ==
<gallery>
NotchMobs.png|An image of multiple mobs posted by Notch the day this version released.
Minecraft Webpage Indev 0.31 20100202-2.png|The Minecraft webpage with this version.
</gallery>

== Notes ==
{{notelist}}

== References ==
{{Reflist}}

== Navigation ==
{{Navbox Java Edition versions|Indev}}

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