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0.25 SURVIVAL TEST was a version of Java Edition Classic released on September 3, 2009,[1] at around 16:13 UTC.[2]



  • Added saving and loading of worlds.[3]



  • Hostile mobs are now more dangerous.
    • Mobs are now faster.[4]
    • Mobs can now see the player from further away.[5]
    • Mobs will now anger toward the player if attacked, regardless of the distance between the player and mob (evident when shooting arrows).
  • Mobs now respawn over time.
    • Lone mobs lose health over time and eventually die.
  • Hostile mobs can now fight each other.[6]
    • For example, if a skeleton shoots another hostile mob, that mob will fight back that skeleton.
      • Skeletons do not fight other skeletons.
Pig JE1 Pigs
Skeleton JE1 Skeletons
  • Now fire Purple Arrow purple arrows.
  • Killing a skeleton now makes 4–9[7] arrows drop with random velocities around the skeleton's corpse.

Non-mob entities[]

  • Texture changed from Arrow JE1 to Arrow JE2 BE1
  • Now fly further.


  • Now spawns with 20 arrows.
  • Can now damage themself with arrows.
  • Score is now displayed in the top-right corner.



  • Arrows now deal damage after flying for more than 1 second.[9]
  • Fixed being able to hit monsters through walls.


  • IRC logs on Archive.org; #minecraft.20090903.log. September 3, 2009 (UTC−5).
  1. Survival Mode test updated to 0.25 – The Word of Notch, September 3, 2009
  2. IRC logs: A11:13:26 * Notch changes topic to 'http://www.minecraft.net/ | Survival Mode test version 0.25 is up!'.
  3. IRC logs: "P12:12:44 <08Notch> 0.24 was the last update, I added a lot of stuff for this one, like proper loading/saving" (17:12:44 UTC)
  4. IRC logs: "A11:19:42 <Real> holy smokes i just had some zombies come at me with incredible speed! intended, Notch?", "A11:19:58 <08Notch> yes. ;)" (16:19 UTC)
  5. IRC logs: "A10:47:07 <potato> notch what do you think about monsters being able to see you from farther away" [...] "A10:48:20 <08Notch> already done, potato " (15:47 to 15:48 UTC)
  6. IRC logs: "A10:45:50 <08Notch> aaand I'm adding monster infighting" [...] "A10:46:06 <08Notch> if you make a skeleton hit any monster, that monster will hunt the skeleton" (15:45 to 15:46 UTC)
  7. IRC logs: "A11:38:06 <08Notch> they drop between 4 and 10 arrows" [...] "A11:38:30 <08Notch> oh, wait, no, between 4 and 9" (16:38 UTC)
  8. IRC logs: "A11:18:09 <PuyoDead> creeper 'splosions seem to have been toned down" [...] "A11:18:19 <08Notch> that wasn't intentional", "A11:18:22 <Real> looks like creepers also have a decreased blast radius?" (16:18 UTC)
  9. IRC logs: "A11:15:20 <08Notch> Evil-Ville: Actually, there was a bug. They didn't cause damage at all after one second flight time. :D" (16:15:20 UTC)