How do i make custom terrain/world generation?

Started by jacksolomontv on

Topic category: Help with Minecraft modding (Java Edition)

Joined Mar 2025
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How do i make custom terrain/world generation?

I want to create an aether-like biome, but I'm having trouble figuring out how to implement custom generation and where to add it. Is it even possible?

Joined Sep 2024
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if it is in a custom…
Sun, 09/28/2025 - 03:25

if it is in a custom dimension then you could right click the dimension element and lock it. You can then edit the json code to get custom generation. You could also probably edit the code of a biome to get custom generation but I haven't tried that yet.