{{for|developmental versions of 0.0.15a|Java Edition Classic 0.0.15a/Development}}
{{Infobox version
|title=0.0.15a
|image=Classic 0.0.15a-05311904.png
|edition=Java
|date=May 31, 2009
|clientdl=[https://archive.org/download/Minecraft-JE-Classic/c0.0.15a-1/c0.0.15a-1.jar Client]
|jsondl=[https://archive.org/download/Minecraft-JSONs/c0.0.15a-1.json .json]
|server=Unknown
|prefix=Classic
|prevparent=0.0.14a
|prev=0.0.14a_08
|next=0.0.15a (Multiplayer Test 2)
|nextparent=0.0.16a
|protocol_manual=None
}}

'''0.0.15a'''<ref>{{ytl|DeH5EI0TbsM}}</ref> (Multiplayer Test 1) is a version of [[Java Edition Classic]] released on May 31, 2009, at 19:04 UTC.<ref><samp>.jar</samp> file has a compilation time of 21:04 UTC+2.</ref><ref>[[#logs|IRC logs]]: "''[13:05] <@notch> http://www.minecraft.net/mptest/''" (19:05 UTC)</ref> It is the first ever version of ''Minecraft'' with [[multiplayer]] compatibility. This is the only multiplayer test currently archived.

== Additions ==
=== General ===
* Added [[multiplayer]].
** Other players are rendered with the [[mob (entity)|mob]] model.<ref>{{ytl|r8SnlNiYmss}}</ref>
** Block particles don't appear in multiplayer.

== Changes ==
=== Blocks ===
; [[File:Lava JE3.png|32px]] [[Lava]]
* Now flows slower than before.
* Model is no longer shaded.<ref group="note" name="gameplay">This has been verified by gameplay from this version's jar dated May 31, 2009 at 19:04 UTC.</ref>
* Liquids directly under a block no longer cause an x-ray effect.

=== Mobs ===
; [[Mob (entity)|Mobs]]
* Animation changed.
** The head and arms no longer flail around as much.<ref group="note" name="gameplay">This has been verified by gameplay from this version's jar dated May 31, 2009 at 19:04 UTC.</ref>

=== Textures ===
; [[File:Oak Planks JE4.png|32px]] [[Planks]]
* Texture changed from [[File:Oak Planks JE3.png|32px]].

; [[File:Oak Leaves JE2.png|32px]] [[Leaves]] 
* Texture changed from [[File:Oak Leaves JE1.png|32px]].

; [[File:Oak Log Axis Y JE2 BE1.png|32px]] [[Log|Wood]]
* Texture changed from [[File:Oak Log Axis Y JE1.png|32px]].

; [[File:Gravel JE2.png|32px]] [[Gravel]]
* Texture changed from [[File:Gravel JE1.png|32px]].
* Now only generates underwater. 

; [[File:Sand JE2.png|32px]] [[Sand]]
* Texture changed from [[File:Sand JE1.png|32px]].

; General
* Removed redundant [[dirt]] and [[grass]] textures, and an unused texture of what seems to be a cloud from [[Java Edition 0.0.14a|0.0.14a]].

=== Generated structures ===
; [[File:Oak JE3.png|32px]] [[Tree]]s
* Have a new shape.
* Now look more like modern trees.

== Bugs ==
* Player can place blocks inside other players in multiplayer.

== Notes ==
{{Notelist}}

== References ==
*{{anchor|logs}}[https://archive.org/download/Testvan-Minecraft-IRC-logs IRC logs]: #minecraft.20090531.log (May 31, 2009, UTC&minus;6)
{{Reflist}}

== Gallery ==
=== Original screenshots ===
<gallery>
0.0.15a Head bug.jpg|Head bug.
15a-mp5.png|Notch's original test server in 2009.
0.0.15a-1.png
Classic 0.0.15a-1.png
Classic 0.0.15a webpage.png|The Minecraft webpage with this version.
Classic 0.0.15a webpage(1).png
Classic 0.0.15a webpage(2).png
Classic 0.0.15a MPT1.png|A sign made of wood planks.
</gallery>

=== Present-day screenshots ===
<gallery>
15a-mp1.png|A screenshot of another player in multiplayer mode building a wooden structure.
15a-mp2.png|A game of spleef being played on a server.
15a-mp3.png|A game of water spleef being played on a server.
Classic 0.0.15a (Multiplayer Test 1) Flooded world.png|A server that has been flooded due to the lack of anti-cheat present in Minecraft at the time.
Classic 0.0.15a multiplayer.jpg|Leaf walkways in the sky.
</gallery>

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

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