World Generation Mods
Mods that enhance terrain generation with new biomes, structures, and landscapes.
Biomes O' PlentyBeginnerOne of the most popular biome mods, adding over 50 new biomes with unique terrain, vegetation, and atmosphere to world generation.
TerralithBeginnerA vanilla-style biome overhaul using only vanilla blocks, adding dramatic terrain features and over 85 new biomes.
Oh The Biomes You'll GoBeginnerBiome mod adding 80+ colorful biomes across the Overworld, Nether, and End with custom blocks and foliage.
YUNG's Better DungeonsBeginnerReplaces vanilla dungeons with hand-crafted designs featuring multiple rooms, varied layouts, and improved loot.
YUNG's Better MineshaftsBeginnerOverhauls vanilla mineshafts with nine biome-specific variants, larger layouts, and improved loot placement.
William Wythers' Overhauled OverworldBeginnerA massive biome overhaul adding over 200 new biomes with detailed terrain features, custom trees, and improved vanilla landscapes.
YUNG's Better StrongholdsBeginnerCompletely overhauls vanilla strongholds with sprawling layouts, grand libraries, armouries, and prison cells.
YUNG's Better Ocean MonumentsBeginnerReplaces vanilla ocean monuments with larger, more complex structures containing multiple wings, puzzles, and better loot.
TectonicBeginnerA terrain overhaul mod that generates dramatically larger mountains, deeper valleys, and more varied continent-scale landforms.