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How rare are the biomes like Mesa or Jungle in the newer releases of Minecraft?

I've mapped out at least 10 largest zoom maps (1000x1000 each) and didn't get to find a single Mesa. Is it just my bad luck or are they really this unique? Maybe some hints from terrain generator code, as to how frequently are they spawned?

  • Sadly the only thing I could link you to is: minecraft.gamepedia.com/Biome However I'm sure you've seen it and probably doesn't help with the calculation. – Aaron128l May 13 '15 at 14:01
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+50

There are differences in the chances. Most of the time, you do not get mesa or jungle biomes because of the fact that there are 61 different biomes. (Source here) Sometimes, it could be due to conditions needed for it the biome to spawn. For example, the mushroom biome can only spawn in an ocean biome and a river is usually seen next to a beach biome. This means that there is around a 2/61 chance for the biome you want to spawn in. If you think you get many plains biomes, look at the F3 menu again. There are 3 different types of Plains biomes(Plains, Plains M and Sunflower Plains), and other biomes also have different variants. Currently, there are 3 types of Mesa Biomes that can spawn in. As for the jungle, there are 5 different types. This also means that you only have a 8% or less chance of a jungle. Also, from the mojang website, they released an image: The minecraft map. Notice that some colors are appearing more often that others. This could also mean that there are different chances of biomes spawning. For example, orange, white, green and blue take up majority of the space in the map, while red and purple take up very little space. If the conditions are followed, the blue probably means ocean, green for plains and white for snowy. Red could be mesa, purple could be mushroom islands.

In the minecraft 1.7.2 update, the minecraft wiki also says:

Jungle biomes have been made much rarer.

This could be another reason why you are not getting as many jungle biomes as the other biomes. This is true for the mesa biome as well.

As of now, I cannot read the code for minecraft(Still in SRG names). However, when I can, I will edit the post. Quote from MC wiki:

Biomes are pseudo-randomly generated using the map seed.

It could also be your seed, try going online to search for mesa or jungle seeds.

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    An answer from another question that might help: gaming.stackexchange.com/questions/26531/… – Universal Electricity May 13 '15 at 14:59
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    The release notes for 1.7.2 state "Jungle biomes have been made much rarer." I recall reading that the Mesa biomes are just as rare. Simply put, regardless of the number of variants of given biome, the chances of given biome occurring seem to be "weighted". – SF. May 13 '15 at 17:29
  • Lots of that answer is badly outdated. 1.7.2 changed a lot in the terrain generation algorithm. Yes, in the enormous world (surface about the size of Jupiter!) it's about impossible not to find given biome eventually but their occurrence distribution is not flat, even regarding numbers of individual variants, and there are some rules regarding where given biomes can appear, e.g. the Mushroom biome can only be an ocean island; can't be adjacent to any other biome. – SF. May 13 '15 at 17:48
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The map in @UniversalElectricity's answer is from http://chunkbase.com/apps/biome-finder You can also enter seeds and find biome locations at http://mineatlas.com/ (note that for MCPE, these only work with positive seed numbers below 2 billion something.) Biome rarity depends on what it is next to. For example, Savannah spawns next to desert. Deserts can get very large, as can "temperate" biome collections. Some biomes are larger than others - ice plains can get large. Savannah, jungle, and Mushroom island are indeed very rare, but all biomes can usually be found within 8K - 10K blocks of spawn, most often closer. Some biomes are very common, even though they are small - forests, extreme hills, and plains are examples.

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Mesa, mushroom, jungle, ice, and spruce are the rarest but we totally underestimate how easy it is to find one.

Example: Even in creative mode we might go forward flying looking for one but one slip of a finger can turn you right back around in survival one might run from mobs or turn to avoid a mountain and go in circles when one could be just up their another example as if you were in a jungle or mesa it would be just as hard to find dessert or grassland or savanna as I have spent hours in mesas and jungles trying to get out other rare biomes such as spruce and ice are literally tiny and it will be easy to find another biome other biomes will also take a long time to escape

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Well personally the rarest biomes i have found are mushroom islands and Jungles, could never find either off them, then found them both yesterday! I spent most of my time on the boat to find cool biomes, including mesa which i recently found. Deserts are fairly common, and almost always have temples or sand villages. Hope this helped ;)

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    I think the question is looking for a more statistical answer. This seems to be just a comment on what you think is the rarest. – Timmy Jim Aug 4 '17 at 11:14
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I found this 'Modified wooded badlands plateau' on my 5th Minecraft New world (survival mode, right next to the spawn) and it came with exposed mineshaft and was next to a Jungle Edge...Would you say that is rare?enter image description here

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