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Far Lands

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The X and Z Far Lands

The Far Lands[1] are a terrain generation bug in Bedrock Edition that happens millions of blocks from the world origin. It essentially forms the "edge" of an "infinite" world.

Location[edit]

The Far Lands initiate at X/Z: 12,550,821 and −12,550,824.

Structure[edit]

Map of the relative positions of the Far Lands. In the Overworld, Nothingness appears instead of the skygrid. (not to scale)

The Bedrock Edition Far Lands are different from the Java Edition Far Lands. The content of the Far Lands in the Bedrock Edition is slightly different in biomes and structure in positive coordinates. Sand and gravel do not fall from generating in Bedrock Edition, resulting in relatively stable performance. (Bubble columns can still cause those blocks to fall, however.) The Far Lands do not generate on flat worlds, due to the lack of a noise generator.

The exact structure depends on the platform. On Realms and Bedrock Dedicated Servers, the Far Lands generate the same as on Windows 10, Xbox One, and PlayStation 4: only the nothingness generates. On mobile devices and Nintendo Switch the Edge Far Lands may generate, depending on the coordinates. In multiplayer, the structure depends on the platform used by the owner of the world. In Education Edition, what happens at the Far lands depends on the world. Sometimes it is a skygrid, and sometimes it is a plain ocean/bedrock with different biomes. The features of the Far Lands in other Bedrock ports remain unknown.

Caves generated close to the Far Lands sometimes have an edgy "zipper" consistency, with sometimes only every second block being hollowed out.

Edge Far Lands[edit]

Despite Y level 256 being the maximum build height, the Far Lands are still cut off at Y=128, although trees still generate normally. (as the terrain generator is limited to Y=128 despite the 256 height limit)

If fossils generate here, they usually generate in mid-air without touching any block.

Warm and lukewarm ocean biomes in the Edge Far Lands appear as a "desert-like" patch, without any water in it, while normal and cold oceans generate grass blocks. Shipwrecks and underwater ruins always generate above ground, sometimes higher than 128 on the Y axis. Buried treasure sometimes generates without touching any block.

There are many distinct terrain types of Edge Far Lands, listed in the table below:

Coordinates Effects
Overworld Nether and End
X or Z +12,550,821 The Far Lands generate, or more specifically, "The Loop" or the Tunnel Lands.
X and Z +12,550,821 Terrain generation stops entirely, except for certain features listed below. Terrain becomes a skygrid.
X −12,550,824 Terrain generation stops entirely, except for certain features listed below.
Z −12,550,824 Terrain generation stops entirely, except for certain features listed below. Terrain becomes a skygrid.
X +12,559,913 Some stretches of terrain stop suddenly beyond this point, marking the transition from the Tunnel Lands to the Pole lands. The Far Lands start to transition from "the Loop" into the Comb Lands, where sections of land that are 3 blocks wide are missing, giving way to comb-like structures.
X +12,560,361 The Far Lands completes the transition from the tunnel Lands to the Pole Lands. The terrain suddenly changes to have more comb-like structures.
X +12,561,029 The Strip Lands generate, which consists mostly of 1D and 2D panels of land.
Z +12,561,029 Some stretches of terrain stop suddenly beyond this point, as the Far Lands start to transition from the Tunnel Lands to the Pole lands. The Far Lands start to transition into the Comb Lands, farther than the X Far Lands.
X +12,562,277 The Far Lands almost disappear, although a few rare isolated blocks of terrain may generate. The terrain becomes horizontal solid or dotted lines of blocks.
Z +12,562,277 The Z Polestrip Lands generate, which generates like the Pole Lands here, but gradually changes to the Strip Lands until nothing generates. The Z Strip Lands generate.
X +12,758,545 Terrain generation stops entirely, except for certain features listed below.
Z +12,758,545 Terrain generation stops entirely, except for certain features listed below.

Repetitiveness[edit]

Usually, the Far Lands' appearance never seems to repeat. However, they start to become extremely repetitive and stretched horizontally, a great distance from the X or Z axis, with sections 12 blocks wide being repeated. There is a sudden change of the Far Lands terrain when the number of blocks from the axis exceeds 12,550,821 divided by a power of 2. This corresponds to when sections of the Far Lands terrain appear to recur more times. The periodicity of the Far Lands starts to become apparent at 784,426 or more blocks from the axis. Nearly perfect repeating occurs starting at around 3,137,705 blocks from the axis. Beyond 6,275,412 blocks from the axis, the sections appear to be symmetric, all the way to the Corner Far Lands. The Z Far Lands tend to look more repetitive than the X Far Lands for no apparent reason. Currently there is no explanation for this, as in Java Edition Beta 1.7.3 the terrain stays the same. This happens on every Bedrock Edition of the game that generates them. (i.e. mobile, Nintendo Switch)

Nothingness[edit]

In the Far Lands with negative X coordinates, after the positive X coordinates degrade, and all the Far Lands in the Windows 10 Edition, the terrain stops generating entirely, resulting in there being nothing present aside from the ocean and the bedrock layer.

Certain structures are able to generate in this area. Several, such as desert temples, have elongated foundations when generated here. Jungle temples here do not have a foundation; they instead appear to float above the water. Fossils can generate underwater, but do not generate on the bedrock floor. Igloos generate underwater on the bedrock layer, replacing the bottom bedrock layer with stone bricks. Underwater ruins and shipwrecks always generate on the bedrock layer, and lava veins (with magma blocks, obsidian, and stone on top) still generate near the bedrock layer, often creating bubble columns. Buried treasure generates above water. Pillager outposts generate only the watchtower without any peripheral structure around it; however, although the pillagers fall into the void, new pillagers can spawn again and again (infinitely) in and around the watchtower. Village buildings generate on a floating platform of grass below them. Iron golems spawn without falling through the world, although they cannot move.

Desert wells, dungeons, abandoned mineshafts, and woodland mansions cannot generate here.

Mobs such as dolphins, cod, and salmon still spawn normally. Seagrass and kelp still generate on bedrock.

In the frozen ocean biome, the surface of the ocean still freezes, and icebergs can still generate. Polar bears can spawn without falling into the void.

Skygrid[edit]

In the Corner Far Lands, Far Lands with negative Z, and past the normal positive Z Far Lands, a 3D grid pattern of grass blocks appears instead of the ordinary stack/loop. Tall grass and trees generate on these blocks. This results in a perfect three-dimensional array of grass blocks levitating high above the ocean.[2] The name is a bit misleading, since the array of blocks extends not only up to Y=128, but also down to bedrock level. Structures generated here follow similar rules to that of the Nothingness with some differences:

  • Tall ice spikes can generate from sea level, reaching Y=128.
  • Igloos generate on Y=64, instead of the bedrock layer underwater.
  • Prior to Village and Pillage, villages generated here at high altitudes between 64 and 128 have tall foundations extending from the bedrock layer.
    • After Village and Pillage, villages generated in the skygrid generate in sea level, just like in nothingness.
  • Unlike in nothingness, woodland mansions can generate in the skygrid.

Effects[edit]

Bedrock Edition uses 32-bit floating-point numbers (as opposed to 64-bit on Java Edition). At any given coordinates, even near the world origin, attempting to move is impossible if it is too slow. At every power of 2, the "minimum speed" doubles.

The player's hitbox corners are stored individually in memory (as opposed to the coordinates of the actual player in storage). If the player is at a power of 2, the hitbox corners may move at different speeds, changing the size of the hitbox. These size changes are usually negligible, but can potentially be significant. In extreme cases, the player's hitbox size reaches 0, making it possible to fall through the world.[3]

  • Minor jitteriness can be first experienced at X/Z: ±16,384, noticeable if the player is moving slowly.
  • At X/Z: ±131,072, most sunflowers start to render incorrectly. The jitteriness becomes noticeable when the player is sneaking.
  • At X/Z: ±524,288, easily visible jitteriness is experienced and the further the player travels, the world gradually starts to become glitchy and unplayable.[4] It also becomes impossible to move forward or backward while in cobwebs past this point. Some blocks with 3D models render incorrectly, such as string, tripwire hooks, item frames, levers and lecterns.
  • Past X/Z: ±1,048,576, the jitteriness becomes considerably unbearable, making crashes frequent at this point on low-end devices. Most blocks with 3D models, including cacti, levers, torches and bamboo render incorrectly,[4] and become more distorted the farther out the player travels.
  • Past X/Z: ±4,194,304, it is impossible to walk normally. Ender pearls, an elytra with fireworks, horseback, speed potions, and water are the only acceptable ways to travel from here onward.
  • Beyond X/Z: ±8,388,608, every entity less than 1 block high or wide, including the player, falls through blocks. Since blocks still have collision detection from the sides (unless both coordinates exceed this value) Speed 8 allows players to walk past 8,388,608, but if they teleport past 8,388,608, they always fall through the world. Flying, elytra and horseback are the only ways to navigate past this point in Survival; thus, it is impossible to reach the Far Lands on foot.
Far Lands on Minecraft Bedrock Edition

The terrain errors initiate at X/Z ±12,550,821, like in Java Edition.

  • Between X: +12,561,029 and X: +12,758,546 the Far Lands begin to take on a thinner "shredded" appearance, before fading out into either a Nothingness state.
  • What generates from there to the beginning of the Stripe Lands (X/Z: ±16,777,216) is just ocean, with a floor of bedrock. The bedrock generates in a pattern identical to how it normally generates underground. Biomes still exist; swamps darken the water and cold biomes generate ice on the top layer of water. Generated structures, such as villages, witch huts, and jungle temples still generate here. The large blocks of land eventually phases out to become long thin strips and eventually dotted arrays of floating blocks, resembling a 1-dimensional cross-section of the skygrid.
  • At X/Z: ±16,777,216, the Stripe Lands begin to render. They are caused when the precision loss of the world causes 1 out of every 2 blocks to be considered "invalid".
  • X/Z ±30,000,000 is the maximum teleportation distance; any attempt to teleport farther puts the player back at this coordinate, and using commands above 30,000,000 causes an "Unable to fill, summon, more object" error message because it is an illegal position in the command.
  • X/Z ±31,999,872 can be reached in the Overworld with the Nether by entering a Nether portal past X/Z ±3,999,984 in the Nether.
  • Beyond X/Z ±33,554,432 the "stripes" of the Stripe Lands disappear, leaving only vertical block rendering.
  • Beyond X/Z: ±67,108,864, it becomes impossible to manually travel using elytra with fireworks. However, it is possible to teleport using chorus fruit.
  • Generated structures like villages and ice spikes may continue to generate as far up to X/Z: ±134,217,728. However, they appear two-dimensional at this distance. In the Windows 10, Xbox One and PlayStation 4 editions, there is no limit to how far out structures can generate and they can be seen at distances of over 2 billion blocks.
  • Beyond X/Z: ±134,217,728, teleportation using chorus fruit is confirmed to be impossible. The only way to move beyond this limit is by using external tools.
  • At every power of two in the Stripe Lands, gaps between rendered blocks double. At X/Z ±1,073,741,824, blocks are 128 blocks apart and neighboring slices are invisible with a low render distance.
  • Far Lands at X/Z 1,073,741,823 in Minecraft Bedrock Edition.
    Near X/Z: ±2,147,483,648, the game crashes, as this is the 32-bit integer limit. However, not all devices are able to reach this point, and you can /tp after that.

Dimensions[edit]

The Far Lands of the Nether and End share characteristics of the Overworld Far Lands, although with some differences. They generate more similarly to each other than to the Overworld Far Lands.

The Nether[edit]

The Nether slime Lands are similar to the Overworld Far Lands, except generated with Nether terrain features, with a lava ocean at Y=31. Bastion remnants and ruined portals continue to generate. Bastions "float" on the lava, with their foundations at Y=29.[5]

The Nether can be a great way to reach the Far Lands in the Overworld, as every block in the Nether counts as 8 blocks in the Overworld. The player must travel to 1,568,853 or higher to spawn in the Far Lands. Teleporting just a few blocks less allows the player to see the beginning of the Far Lands.

The End[edit]

The End Far Lands are not of much interest, being made of almost exclusively end stone, and appear a bit more squashed and stretched horizontally than the Overworld Far Lands. Micro-end islands still generate inside the Far Lands, even after the latter dissipates. Since there is no signature liquid of the End, they just generate down to a dry void; similarly, there is no bedrock floor.

The End Far Lands are cut off at y=128, although structures still generate on top.

Cause[edit]

The terrain is generated based on 16 octaves of Perlin noise. Each noise generator takes floating-point inputs and uses those to interpolate between noise values at whole numbers. It does so by:

  1. Casting to a 32-bit integer, where the game rounds toward zero and handles overflow by picking the closest representable value;
  2. Subtracting one if the integer is greater than the original input, to always round down;
  3. Subtracting that integer from the original input to get a remainder in the interval [0, 1) suitable for interpolation.

It covers an interval of [−231, 231) without causing any problems. The problem is that many of the octaves cover a scale much smaller than a block, with up to 171.103 noise units per block. Indeed, 231 ≈ 171.103×12,550,824.053. Thus, the Far Lands start 12,550,824 blocks away from the center of the Minecraft world. Once this value is exceeded, the integer is always 231−1, thus breaking the generation algorithm.

At the positive end, the remainder starts out relatively small but usually much larger than 1, and grows by 171.103 per block. At the negative end, the remainder starts at −232. This value is then adjusted by ((6x−15)x+10)x3 or in this case, ((6(12,550,824.053)−15)(12,550,824.053)+10)(12,550,824.053)3 ≈ 1.8685826 × 1036 for quintic interpolation. Even one block in at the positive end, this is already around 1011. The negative end starts all the way around −1049. For the Corner Far Lands, multiply the values of both edges. When interpolation (really extrapolation) is attempted with values as large as these, it produces similarly large output. That output completely dwarfs all other terms that would normally give the terrain its shape, instead effectively passing only the sign of this one noise function through.

There are several other factors to the cause of the Far Lands, making things slightly more complicated:

  • Noise is sampled only every four blocks and linearly interpolated in between. This is why when 12,550,824 is affected by the bug, it reaches out three more blocks to 12,550,821.
  • Each noise generator picks a random offset in [0, 256) to add to its input. This usually moves the boundary under 12,550,824, starting the Far Lands at 12,550,821. With a few seeds, it might not, putting the start at 12,550,825. Rarely, if the boundary is just barely within 12,550,824, the first couple blocks of the Far Lands might look somewhat normal. The southern and eastern Far Lands do this independently of one another. At the negative end, the Far Lands always start at block coordinate −12,550,825, with the positive edge of those blocks at −12,550,824.
  • There are actually two sets of noise generators, which are blended together based on another noise generator. This is responsible for relatively smooth alternation between two sets of tunnels or plains. Occasionally, one of the noise generators starts generating the Far Lands before the other because it uses a different offset, producing an incongruous boundary.

Video[edit]

History[edit]

Pocket Edition Alpha
0.9.0build 1First appearance of the Far Lands.
0.10.0build 1Chunk jittering at extreme coordinates no longer occur.
0.16.0build 1Access to the Far Lands without modifying the game is feasible, due to the addition of the /tp command.
Bedrock Edition
1.16.0?The Far Lands in the Overworld generate without the Skygrid.

Issues[edit]

The world at excessive coordinates is not supported, and as such issues related to the Far Lands may not be fixed. This is because such issues would affect only players who intentionally teleport to high coordinates, and they are difficult to fix because they are a limitation of the game engine itself.[6]

Trivia[edit]

  • The Far Lands make an appearance in Minecraft: Story Mode, where it is the location of The Maze and Ivor's Cottage.

Gallery[edit]

In other media[edit]

Minecraft: Story Mode[edit]

References[edit]