MazeWorld
A mod to add an infinite maze to vanilla world generation. There are many configuration options and maze types.
World creation
To create a mazeworld, you can choose any existing world preset. Then enable "Generate Maze" and click "Customize" next to that to adjust the maze settings.

After clicking on customize, you can change various settings about the maze generation. Below that is a preview of how the generated maze will look.

Customization options
Maze wall block
Determines which block is placed in the world to build the maze. By default this is bedrock, but you can change it to a block you can break too.
Infinite walls
Prevents players from crossing the walls even above or below build height.
Min Y and Max Y
Sets the height at which the maze will generate. By default, this is all the way from bedrock to the build limit. You can lower Max Y to not generate the maze all the way to the top.
Replace Blocks
Determines which blocks are replaced by the maze.
- All (Default): All blocks are replaced. This means you cannot dig through the ground to pass a wall.
- Replaceable: All blocks that are replaceable (Air, Water, Tall grass, ...) will be replaced by the maze. Other blocks are kept, and as such you can dig through stone to get around the maze.
- Air: Only air is replaced, no existing are replaced.
Structures
Determines how structures are handled:
- Preserve essential (Default): This prevents the end portal room in the stronghold from being cut through by the maze. This is to avoid the world being unbeatable if the maze configuration removed portal frames in every stronghold.
- Preserve all: This makes ALL structures not be replaced by the maze. It uses the bounding boxes of all structure pieces as areas where no maze is placed.
- Replace all: Structures are not considered and maze can be generated inside all structures too. This may make it impossible to enter the end in certain maze configurations.
Preserve End Island
When enabled, leaves a 19x19 chunk hole in the end dimension to not interfere with the end island.
Enabled dimensions
This allows you to toggle individually, which dimensions will generate a maze.
Maze Type
There are different maze types with different algorithms for generating the maze
Binary Tree
See https://weblog.jamisbuck.org/2011/2/1/maze-generation-binary-tree-algorithm.
Options:
- Size: How large each tile is
- Bias: How much the corridors will bias to being vertical or horizontal
Wang tiles
See https://www.boristhebrave.com/permanent/24/06/cr31/stagecast/wang/array.html.
This has a rectangular and a rounded variant.
Options:
- Size: How large each tile is
- Wall width: What ratio of the tile size is wall
Simplex noise
See https://en.wikipedia.org/wiki/Simplex_noise.
This has a 2D and a 3D variant.
Options:
- Size: The scale of the noise
- Threshold: The threshold for comparing the noise value by, to determine if a block is a wall or air
World creation on a server
To create a world on a server, it is recommended to simply upload a world created on the client.
How to Install Maze World (Mod)
Maze World by replaceitem is verified for Fabric across Minecraft versions 1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.4 (latest release: 1.5.2, file size: 172 KB). Follow the steps below to install it safely from ModCraft.tv:
- Click the Download button above and select your Minecraft version (1.19.1, 1.19.2, 1.19.3, 1.19.4, 1.20, 1.20.1, 1.20.2, 1.20.4) and platform (Fabric).
- Make sure you have the compatible loader or environment installed for Fabric.
- Move the downloaded Maze World file into your Minecraft
.minecraft/modsfolder and launch the game.
All Versions
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1.5.2
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1.4.12
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1.4.11
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1.0.0
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- Fixed incorrect tooltip on preserve end island button
- Fixed preserve end island option always being enabled
- Updated to MC 26.3
- Maze worlds can now be created with any world type
- Instead of selecting the world type "Maze World", a new "Generate Maze" button can be enabled with all presets
- This should also work with most world generation mods (e.g. Terralith)
- Instead of extending the existing noise chunk generator, the maze configuration is now stored side by side in the [Dimension definition](https://minecraft.wiki/w/Dimension_definition#JSON_format) in a
maze_generatorfield. For more info on the structure, see [here](https://github.com/replaceitem/mazeworld/wiki). - Added configuration options
- Min Y and Max Y: Limit the height at which the maze generates
- Preserve structures: Prevent the end portal room or all structures from being sliced through
- Replace blocks: Only place maze blocks in air, or all replaceable blocks
- Dimensions: Select which dimensions will generate with a maze
- Preserve end island: Keep the end island open without a maze
- Updated to MC 26.2
- Updated to MC 26.1
- Updated to MC 1.21.11
- Updated to MC 1.21.10
- Fixed inifnite maze not working
- Updated to MC 1.21.7
- Updated to MC 1.21.5
- Fixed problems with world type configuration screen
- Updated to MC 1.21.3
- Fixed and improved infinite walls
- Updated to MC 1.21
- Updated to MC 1.20.5
- The maze preview will now show the maze in the specified wall block's map color
- Improved performance of the maze preview in the create world screem
- Updated to MC 1.20.4
- Updated to Minecraft 1.20.2
- Fixed crash when using the mod server side