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Ice and Fire Worldgen Fix – ATM11 (Unofficial)

Ice and Fire Worldgen Fix – ATM11 (Unofficial)

MOD
Lightweight ATM11 compatibility fix for Ice and Fire Community Edition. Restores the original biome tags so Dragon Roosts, Dragon Caves, and other structures can generate naturally without modifying the Ice and Fire mod.
by ChubbyMG
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205 downloads
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Updated Oct 14, 2026
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Ice and Fire Worldgen Fix is a lightweight compatibility mod designed to fix structure generation issues between Ice and Fire Community Edition and All the Mods 11 (ATM11).

ATM11 can override some of Ice and Fire’s original biome tags, preventing or severely limiting the natural generation of structures such as Fire, Ice, and Lightning Dragon Roosts and Dragon Caves.

This mod automatically corrects the affected world-generation biome tags, allowing ATM11’s custom biomes to coexist with the original Ice and Fire biomes instead of replacing them.

The mod does not modify the original Ice and Fire JAR, does not manually spawn structures, and does not alter existing terrain. It simply restores the intended biome-tag behavior so Ice and Fire structures can generate naturally in newly generated chunks.

For additional safety, backup copies of affected configuration files are created before any changes are applied.

Designed specifically as a simple compatibility fix for ATM11, Minecraft 26.1.2, NeoForge, and Ice and Fire Community Edition 2.2-alpha.2.

iaf-worldgen-fix-atm11-1.2.7.jar
MC Client, NeoForge, Server, 26.1.2
Release 2026-09-16 Get
iaf-worldgen-fix-atm11-1.2.5.jar
MC Client, NeoForge, Server, 26.1.2
Release 2026-09-06 Get
iaf-worldgen-fix-atm11-1.2.2.jar
MC Client, NeoForge, Server, 26.1.2
Release 2026-09-03 Get
iaf-worldgen-fix-atm11-1.0.0
MC Client, NeoForge, Server, 26.1.2
Release 2026-09-01 Get

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