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Level Format

Byte Order

The level data is stored in Big Endian byte order.

Level Data

NameSize (in bytes)Description
Magic Number4Identifier of the format. Always 27 1B B7 88.
Version1Version of the format. Always 02.
Serialized Java com.mojang.minecraft.level.Level ClassVariableContains all the level information, player data, entities, and more.[1]

Notes

  1. Due to a bug in Minecraft Classic the Height and Depth values are swapped causing Height to be the Depth and Depth to be the Height.

License & Credits

This file is licensed under CC BY-NC-SA 3.0.

The information here is from this Minecraft wiki page with some wording tweaked and/or simplify

Contributors

The avatar of contributor named as BJTMastermind BJTMastermind

Changelog