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Java Edition.png
A jungle edge biome created in buffet mode using floating islands generation.
The customization screen for Buffet.

Buffet is a world type in which the entire world consists of one biome. It is considered a substitute for the Customized world type, which is removed completely in snapshot 18w06a, making the Buffet world type simple to customize.


Buffet worlds are customized by editing two parts of them: World Generation and World Terrain.

World Generation[edit]

The World Generator option decides how the world will be structured and what the general terrain will look like. There are currently three choices for how to generate the world structure: Surface, Caves and Floating islands.

  • Surface: Uses the Overworld structure when generating the world. The world will generate with a bedrock floor at the Y=0 lower height limit and the rest of the terrain is generated on top of it, like in the Overworld.
  • Caves: Uses the Nether world structure when generating the world. The world will generate with a Bedrock floor at the Y=0 lower height limit and a Bedrock ceiling at the Y=256 upper height limit and the world will be generated in between these two like a giant cave complex, much like the Nether.
  • Floating Islands: Uses the End world structure when generating the world. There is no Bedrock ceiling or floor to the world and the entire world is generated in the shape of a series of floating islands, much like the End.

World Terrain[edit]

This setting allows the player to choose which biome the world will use in generating terrain. Biome choice determines things such like terrain, Vegetation, Generated Structures (if applicable), and to some extent, Mob Spawning. Buffet worlds, being one-biome-worlds, can be customized to use any of the available biomes and will use only that particular biome for the entire world. The player can choose any of the existing biomes, including ones that do not generate naturally and technical ones such as different End island types and Mutant biomes. Additionally, chunks can be generated differently with this world type. For example, a swamp created with floating islands generation will produce floating swamp islands, while a surface-generated End Highlands biome will have End Cities on solid ground. End biomes created with surface generation have End portals that will lead to themselves.


Java Edition
1.13 18w16a Added buffet world type. At this time, the world generation options were Overworld and End.
18w19a Added the cave generation option.
Changed the "Overworld" generation option to "surface," and changed the "End" option to "floating islands."
pre4 Biome names are now sorted alphabetically in the buffet menu.


  • If used with floating islands world generation, biomes which would normally contain underground generated structures, such as mineshafts or fossils, will sometimes have the structures spawn floating freely away from the islands.
  • Generating an overworld biome with End terrain can simulate what the Sky Dimension might have looked like.
  • Ocean biomes created using floating islands generation spawn with lots of floating water in the shape of caves.
  • Furthermore, opening any other worlds with this world type in previous versions doesn't corrupt those worlds altogether.
  • Choosing overworld biomes for cave world type results in lakes spawning in the upper layer of bedrock, thus creating numerous "breaches" in it.