World type

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World type is an option to change how worlds generate in Minecraft.

World types[edit]

All editions[edit]

Type Description Image

Default (JE/3DS)
Infinite (BE)
This is the default type of generation. Various landscapes generate utilizing Biomes.

level.dat generatorName: default

Minecraft 2.jpg

Superflat (JE/CE)
Flat (BE/3DS)
This type of generation creates a world that is completely flat, at an altitude of Y=4, by default. On a classic (default) superflat world, the terrain consists of one layer of bedrock, two layers of dirt and one layer of grass. Mobs spawn normally; slimes are prevalent.

In superflat worlds, villages will also generate, and superflat worlds can be further customized through the use of presets, which allows the player to change the layers of the terrain, spawn trees, larger villages, strongholds, etc.

level.dat generatorName: flat


Java and Legacy Console Editions[edit]

Type Description Image

Amplified Worlds (CE)

Generates many large mountains which dwarf even the mountains seen in default world types and will more often than not reach the world height limit. Due to extremely steep cliffs and unforgiving terrain, careless players will find it quite difficult to survive in this world type. Certain biomes (i.e. swamplands, oceans and rivers) may see no obvious change in height. Villages will still spawn in this world type regardless of how flat the ground is, causing the buildings to generate in bizarre ways.

In Console Edition, this is available for Xbox One and PS4 only, but terrain will generate only to about Y=128 instead of the world height limit, but foliage may still go above Y=128. It can be selected together with any of the world sizes described in the section below.

level.dat generatorName: amplified


Java Edition exclusive[edit]

Type Description Image

Large Biomes
Generates a default world type, but with each geographic feature 4x larger along the X and Z axis, which results in biomes with 16 times as much area. Because of this, villages, desert temples, jungle temples and other generated structures are all more likely to be found.

level.dat generatorName: largeBiomes

Large Biome.png

Debug Mode
A world type containing all of the block states laid out in a grid at layer y=70 for convenient viewing. It can be accessed by holding down the ⇧ Shift key while cycling through the world types.

In this world type, there is a floor on y=60 made of barriers and the player cannot place or destroy blocks.

level.dat generatorName: debug_all_block_states

Debug World Type Flyover 14w32d.png

A customisable world type which creates a world of only a single biome. It can be generated using the surface, floating islands, and cave options, which result in Overworld, the End and Nether generation, respectively - regardless of whether that biome is normally found in that dimension.

level.dat generatorName: buffet

Buffet Biome.png

Bedrock Edition exclusive[edit]

Type Description Image
Old This world type has a finite area of 256×256 blocks with an invisible bedrock barrier surrounding it.

In Pi Edition, which is based on Pocket Edition Alpha 0.6.1, this is the only world type.



Java Edition Indev
0.31 ?World types have been introduced, they are officially used in Map types, map shapes and map themes, all of which allows the player to customize how a world will generate.
Java Edition Infdev
February 27, 2010 World types will now no longer function.
?Map types, shapes and themes have now been removed.
World types have now been removed and replaced by World selections.
Java Edition
1.1 12w01a Re-added World type options, which are currently Default and Superflat.
1.3.1 12w19a A new world type called 'Large biomes' has now been added.
1.4.2 12w37a The ability to customize the super flat world has now been added.
1.7.2 13w36a A new world type named 'AMPLIFIED' has now added.
1.8 14w17a A new world type named 'Customized' has now been added.
14w26a A new world type named 'Debug Mode' has now been added.
1.13 18w06a The customized world type has now been removed.
18w16a A new world typed named buffet has now been added.
Pocket Edition Alpha
0.9.0 Added Flat world type.
Added Infinite world type.
Added Old world type option.
0.16.0 build 1 The Old world type has now been removed.
build 5 The Old world type has now been re-added.
Legacy Console Edition
TU5CU11.0Patch 1Added Superflat world type. The Nether is also flat in this world type.
TU25CU141.17Added ability to customize superflat world.
CU361.38Added Amplified Terrain option (Xbox One and PS4 only).


Issues relating to "World type" are maintained on the bug tracker. Report issues there.


  • The Sky Dimension can be recreated with the Buffet world type by selecting The End as the Dimension and selecting the Biome as any Forest.

See also[edit]