Java Edition Indev 0.31 20100205
From Minecraft Wiki
February 5, 2010
Client not archived
- Oversized zombies.
- Can walk up to the player.
- Can only attack the player if the player is standing on top of it.
- New settings.
- Peaceful, Easy, Normal, and Hard.
- Performance improvements.
- You can now change the difficulty from the options screen – The Word of Notch, February 5, 2010