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Minecraft Java World Generation (a1.0-1.21.4) Alpha/Beta World Gen Update!

Minecraft Java World Generation (a1.0-1.21.4) Alpha/Beta World Gen Update!

By MobilePath1982 Published 13 Jun 2024 · Updated 18 Jan 2025
4.3
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With this addon you can now use the old world generation from Minecraft: Java Edition. This changes biomes, making the world generation less biome specific, and includes removing mobs that did not exist before. Note this addon is pretty much a deepfake of what the world generation would look today if nothing had been changed throughout the years, because I'm not a crazy genius that would know how to somewhat copy the old world generation code from JavaScript then converting it into a addon. If somebody knows how to actually do this like they did in the modern beta fabric mod from Java edition you 100% have the permission to, definitely go for it!

Select version for changelog:

Changelog

I have completely rewritten the entire pack due to the original pack being outdated, and I have added alpha and beta world generation!

Installation

Downloads

  • MinecraftJEWorldGen.mcpack (1.38 MB)

Supported Minecraft versions

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Installation Guides

1
dr house. March 15, 2026 at 8:20 pm
no farlands if anyones wondering.
1
gihunnnn November 06, 2025 at 11:29 am
Are we deadass?
1
aStarWarsHaterr661 July 13, 2025 at 12:57 pm
New mobs still come in this world plss update
1
SamWecer March 08, 2025 at 3:08 pm
Doesn’t seem to work.
1
J4buticabaBR March 08, 2025 at 6:31 am
I activated every experimental and didn't work. But I see that just have Behavior Pack, and where is the texture pack?
1
Diamond128 April 22, 2025 at 5:31 am
it only works on version 1.20.80 and not gonna work at version 1.21-1.21.80
1
J4buticabaBR March 07, 2025 at 8:11 pm
It would be so cool if have a way to transfet seeds, imagine play in Herobrine Seed
1
TheoNathanYT February 22, 2025 at 7:03 pm
does this have the farlands like in Java?
1
Yasmin!! February 08, 2025 at 11:44 am
the pack doesnt appear in the MCPEDL app for some reason ;(
1
CalebModMaker November 21, 2024 at 7:06 pm
This comment has been removed
1
ChiChiTheCoolCat November 29, 2024 at 10:30 pm
Rude bro. Dont be an idiot
1
cinema February 21, 2025 at 8:26 pm
what say comments has removed
1
nugget master no way😨 January 21, 2025 at 2:05 am
i get the mod sucks, but you dont have to insult the creator.
1
clawhammer80 April 11, 2025 at 3:38 pm
It doesn’t suck. I tried it and it works just fine.
1
George9 November 04, 2024 at 7:25 pm
Hey, are you taking a break or is this discontinued? It’s just been almost 6 months, I hope you’re continuing this.
1
MobilePath1982 December 04, 2024 at 9:16 pm
Right now I'm thinking of some time updating this because currently the new updates have messed the code up so I would have to redo the whole entire pack. As of right now I recently made a Java aspects launcher pack which I am right now trying to find a possible way to decrease the size of the file since right now since it's estimated at 200 mb due to all of the subpacks. Sorry for being inactive for a while.
1
George9 October 19, 2024 at 9:06 am
When he finished beta world gen, imagine playing 404 seed on bedrock 😱
1
Spinosaur1915 August 16, 2024 at 9:10 am
Bruh, this doesn't work. I turned this behavior pack on with no other add-ons and I turned it to 1.12 generation and I spawned right next to a Mangrove Swamp 💀
1
George9 September 27, 2024 at 3:18 pm
Did you even turn on the custom biomes toggle