The Alternate Terrain Generation mod for 1.6.4 improves biome generation. In vanilla Minecraft, biomes are randomly scattered throughout the world, with bodies of water thrown in. With ATG, height, temperature and moisture maps for the world are randomly generated.
Higher areas tend to be colder, areas away from the sea and areas where the temperature is high tend to be dryer.
Download Alternate Terrain Generation Mod for 1.6.4:
ATF Mod for 1.6.4
Forge for 1.6.4
Locate your Minecraft.jar file.
Open Minecraft.jar using Winrar and delete the META-INF folder
Drag the files from the forge zip file into...
The Underground biomes mod attempts to make underground exploration more exciting by adding new biomes that can be found underground. It adds 24 new types of rocks and encourages real mines by concentrating ores to large deposits.
The new rocks comprise of three base categories:...
The Extra Biomes mod adds more variety to the landscape of Minecraft with 22 new biomes to the game. These biomes include new flowers, soils, and trees that are unique to each biome.
Snowy, rocky landscape with pine trees scattered about.
Somewhat flat with...