Unbiased Worldgen
This project makes warm, cold, humidy and arid biomes more common
Screenshots
About this Mod
This mod/datapack changes the temperature and humidity noises so biomes can be more evenly distributed across the overworld, so finding the biome you want isn't as bad
this should be compatible with custom biomes as long they don't change temperature and/or humidity
Instalation
For the datapack version, go to the datapacks tab when creating a world, click the button to open the datapacks folder and drag the datapack inside, it should appear in the left side of the screen, after that enable it like you would do with an experimental datapack.
For the mod version (on windows), right click the start button and and go to execute, then enter %appdata% on it, this will open a folder, go to the .minecraft and then mods, drag the .jar there.
Available Versions
How to Install Unbiased Worldgen on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Unbiased Worldgen". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Unbiased Worldgen server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Unbiased Worldgen compatible with datapack and fabric and forge and neoforge and quilt?
Unbiased Worldgen officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 1.21.1, 1.21. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Unbiased Worldgen – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Unbiased Worldgen consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Unbiased Worldgen with just one click on your server.