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Flatland

An image of a Superflat world.

Superflat (sometimes called Flatlands) is a World Type, first introduced to Minecraft in Snapshot 12w01a, replacing the normal varied terrain of The Overworld with a thin flat layer of dirt.

The terrain consists of one layer of Bedrock, two layers of Dirt, and one layer of Grass; the surface of the world is completely flat and at height y = 4, with the exception of NPC villages. Since the height limit (256) is unchanged, there is then slightly less than one-third more vertical height available to build above-ground structures as compared to a normal world. Mobs spawn as normal, including Slimes; however, there is no “Void Fog” as would ordinarily be caused by being close to the bottom, even for areas that are completely shielded from sunlight, whether in Survival or Creative Mode.

Because of there being chests in villages, and villages frequently spawning near the spawn point, it is possible to use Superflat as a challenge map. However, the high amount of slimes makes this extremely difficult.

The Nether and The End generate normally; they are not flat. In order to create a Superflat world in SMP, the level-type flag in server.properties must be "FLAT", instead of "DEFAULT".

Future

  • Jeb considered adding a spawn chest to this world type should the player wish to use it for survival sometime after Minecraft 1.1[1]. Spawning chests are now an option in Snapshot 12w16a and will be released in the 1.3 update.
  • As of 12w25a, Slime spawning in Superflat has been reduced[2].

Gallery

Resources that can be found in Superflat world

The resources below can always be found, regardless of the "Generate Structures" option.

Icon Dec Hex Block type
00 00 Air
Grass 02 2 Grass
Dirt 03 3 Dirt
Bedrock 07 07 Bedrock

The resources below can only be found if the "Generate Structures" option is enabled.

Icon Dec Hex Block type
Cobblestone 04 4 Cobblestone
File:Wooden Plank.png 05 5 Wooden Planks
Water 09 9 Stationary water
Lava 11 B Stationary lava
Gravel 13 D Gravel
File:Wood.png 17 11 Wood
Black Wool 35 23 Wool
File:Double Stone Slab.png 43 2B Double Stone Slabs
Stone Slab 44 2C Stone Slabs
Bookshelf 47 2F Bookshelf
Torch 50 32 Torch
File:Wooden Stairs.png 53 35 Wooden Stairs
Chest 54 36 Chest
Crafting Table 58 3A Crafting Table
File:Crops.png 59 3B Wheat Seeds
Farmland 60 3C Farmland
Furnace 61 3D Furnace
File:Wooden Door.png 64 40 Wooden Door
File:Ladders.png 65 41 Ladder
Cobblestone Stairs 67 43 Cobblestone Stairs
File:Wooden Pressure Plate.png 72 48 Wooden Pressure Plate
File:Fence.png 85 55 Fence
Iron Bars 101 65 Iron Bars
Glass Pane 102 66 Glass Pane

Village chests may contain these items:

Icon Dec Hex Block type
Sapling 6 06 Sapling
Obsidian 49 31 Obsidian
257 101 Iron Pickaxe
260 104 Red Apple
File:Diamond (Gem).png 264 108 Diamond
File:Ironitm.png 265 109 Iron Ingot
File:Golditm.png 266 10A Gold Ingot
267 10B Iron Sword
297 129 Bread
306 132 Iron Helmet
307 133 Iron Chestplate
308 134 Iron Leggings
309 135 Iron Boots

Bugs

  • If the player breaks the Bedrock barrier, the player can see that the Void has the same color of the sky while the player is above y=0, but looks normal (black) when the player is below y=0.
  • There is no consistent spawn point unless the player has slept in a bed; the player may respawn far from the previous spawning location without anything in sight. This may be due to the lack of ground at the usual height of about 64.
  • Superflat worlds may contain chunk errors that will generate default worlds.
  • If you overwrite a Superflat world with a default world of the same name, some chunks (and sometimes massive areas) may remain Superflat, though the grass color will change with the biome.

Trivia

  • The volume of an entire Superflat world, not including villages, bonus chests, or air, is 3.6 million km3, and the world is composed of 3,600,000,000,000,000 blocks.
  • NPC Villages seem to spawn more frequently on Superflat worlds than normal worlds, due to the fact that the entire world generates as a Plains biome.
  • Slimes spawn in huge numbers in Superflat because they are only four blocks away from the bedrock layer.

References

  1. jebtweet:157391432179662848
  2. Minecraft SLIMES NO MORE ! Safe Superflat in 12w25a !
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