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Overworldify
This is a silly cursed world generation datapack I have made that makes the Nether and End Dimension have the same terrain shape and height as the Overworld.
Notice: Not compatible with biome mods; structure mods may be weird.
Currently not compatible with biome mods due to how this is made.
Additionally, due to the method needed for this worldgen to work, it is slow. I may make a fully modded version in the future that makes it generate faster.
Smart Adjustments
Further adjustments have been made to ores, structures, and features so that they work properly (e.g, ancient debris still generates most frequently at the bottom of the world).
All Versions
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[1.1.8+mod] [MOD 1.20-1.21.10] Overworldify 1.1.8
by Klinbee on Oct 16, 2026
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- Changes:
- 1.21.9+ support
[1.1.8] [DP 1.20-1.21.10] Overworldify 1.1.8
by Klinbee on Oct 16, 2026
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- Changes:
- 1.21.9+ support
[1.1.7+mod] [MOD 1.20-1.21.8] Overworldify 1.1.7
by Klinbee on Oct 16, 2026
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- Changes:
- More efficient worldgen, but still slow unfortunately
- Fixes:
- Prevented Warped/Crimson Fungi Trees from generating in lava (note: they can still breach caves though!)
- Issues with some biome music additions in 1.21+ versions
[1.1.7] [DP 1.20-1.21.8] Overworldify 1.1.7
by Klinbee on Oct 16, 2026
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- Changes:
- More efficient worldgen, but still slow unfortunately
- Fixes:
- Prevented Warped/Crimson Fungi Trees from generating in lava (note: they can still breach caves though!)
- Issues with some biome music additions in 1.21+ versions
[1.1.6+mod] [1.20-1.21.4] Overworldify 1.1.6 [MOD]
by Klinbee on Oct 16, 2026
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- Changes:
- 1.21.4 support
[1.1.6] [1.20-1.21.4] Overworldify 1.1.6 [DP]
by Klinbee on Oct 16, 2026
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- Changes:
- 1.21.4 support
[1.1.5+mod] [1.20-1.21.3] Overworldify 1.1.5 [MOD]
by Klinbee on Oct 16, 2026
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- Changes:
- My name from Quidvio -> Klinbee
- Versioning to use SemVer (hopefully)
[1.1.5] [1.20-1.21.3] Overworldify 1.1.5 [DP]
by Klinbee on Oct 16, 2026
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- Changes:
- My name from Quidvio -> Klinbee
- Versioning to use SemVer (hopefully)
[v1.1.4+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Added support for 1.21!
[v1.1.4] Overworldify
by Klinbee on Oct 16, 2026
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- Added support for 1.21!
[v1.1.3+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Added support for 1.20.5/6!
- Updated license
[v1.1.3+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Added support for 1.20.5!
- Updated license
[v1.1.3] Overworldify
by Klinbee on Oct 16, 2026
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- Added support for 1.20.5/6!
- Updated license
[v1.1.2+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Added 1.19-1.19.3 downgrade!
- Fixed magma ore invalid generation range
[v1.1.2+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Added 1.19.4 downgrade!
- Fixed magma ore invalid generation range
[v1.1.2+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Fixed magma ore invalid generation range
[v1.1.2] Overworldify
by Klinbee on Oct 16, 2026
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- Fixed magma ore invalid generation range
[v1.1.2] Overworldify
by Klinbee on Oct 16, 2026
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- Added 1.19-1.19.3 downgrade!
- Fixed magma ore invalid generation range
[v1.1.2] Overworldify
by Klinbee on Oct 16, 2026
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- Added 1.19.4 downgrade!
- Fixed magma ore invalid generation range
[v1.1.1+mod] Overworldify
by Klinbee on Oct 16, 2026
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- Fixed an issue **where it was broken for 1.20.3/4.** Sorry about that lol.
[v1.1.1] Overworldify
by Klinbee on Oct 16, 2026
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- Fixed an issue **where it was broken for 1.20.3/4.** Sorry about that lol.
[V1.1] Overworldify
by Klinbee on Oct 16, 2026
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New in this version:
~~- Added support for 1.20.3-1.20.4~~ I lied, it is completely broken for this version.
- Reverted nether biome map to be default.
- Added lava aquifers and flooded lava caves.
- Increased ore count to counter-act increased world height.
- Glowstone, nether gold, nether quartz, debris but only for the type of debris that can generate at any y-level.
- Decreased amount of large fungi that generate.
- Changed bastion placement to be based on the terrain height, and to place terrain below it.
- Made ruined portals be unable to be placed on top of lava.
- Enabled nylium to generate at lower y-levels, causing cooler nether caves.
~~- Added support for 1.20.3-1.20.4~~ I lied, it is completely broken for this version.
