Alex's Caves (Unofficial Port)

Explore five new rare cave biomes hidden under the surface of the Overworld...

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Alex's Caves 1.21.1-2.0.5

ByRaguto
  • R
  • Jan 10, 2026
  • 71.39 MB
  • 2.5K
  • 1.21.1
  • NeoForge

File Name

alexscaves-2.0.5.jar

Supported Versions

  • 1.21.1

Curse Maven Snippet

NeoForge

implementation "curse.maven:alexs-caves-unofficial-port-1420348:7441304"
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**1.21.1 Port - Major fixes and improvements **

Biome Generation:

  • Fixed biome distance-from-spawn check using biome CENTER position instead of sampling position
  • Added config version system (v3) that auto-deletes old configs when version changes
  • 4/6 biomes working: Magnetic Caves, Primordial Caves, Toxic Caves, Candy Cavity
  • Forlorn Hollows and Abyssal Chasm still need work (known issue)
  • Added /locateacbiome command for debugging biome generation

Items & Equipment:

  • Fixed Darkness Armor meter/ability not working (merged charging logic into inventoryTick)
  • Fixed Seeking Arrow not firing from Dreadbow (updated createArrow signature for 1.21)
  • Fixed Burrowing Arrow createArrow signature for 1.21 compatibility
  • Fixed custom Rarity enum issue - using standard Rarity values as placeholders

Entities:

  • Fixed Submarine camera position being too high (corrected positionRider calculation)

Tags:

  • Added missing neoforge:storage_blocks/uranium tag
  • Added missing neoforge:storage_blocks/gold tag
  • Added missing neoforge:nuggets/iron tag
  • Added missing neoforge:raw_materials/iron tag
  • Added missing neoforge:gravel tag

Cleanup:

  • Removed excessive logging from ACBiomeMapHolder and BiomeSourceMixin