May 13, 2009
- Placing and destroying blocks.
- Left-clicking places a block. Right-clicking destroys a block.
Block types are handled depending upon where they are located within the world, as opposed to later versions where any block can be placed anywhere. Blocks at the same level as Grass turn to grass and blocks at the same level as stone or air turn to stone
- World generation
Level generation improved to not be so messy and random (as shown in the Cave game tech test video), but instead completely flat
- This is the oldest version of Classic in the launcher, listed as old_alpha rd-132211.
- The 'rd' before the version number stands for RubyDung, a game Notch was working on.