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Nico's Cave Expansion

This add-on enhances your underground exploration by introducing a variety of new caves. It also adds new mobs, blocks, plants, food, ores, and equipment.

File Details

Nicos Cave Expansion (v1.8).mcaddon

  • R
  • Nov 20, 2025
  • 2.31 MB
  • 7.3K
  • 1.21.122+2

File Name

Nicos Cave Expansion (v1.8).mcaddon

Supported Versions

  • 1.21.122
  • 1.21.121
  • 1.21.120

Version: 1.8

NOTE:

  • If you’re updating from an older version, this add-on may not work properly in existing worlds.
  • This update only works with Minecraft version 1.21.120 and higher.

TECHNICAL CHANGES:

  • Changed all identifiers.
  • Shortened several file names.
  • Rewrote all Script API event code.
  • Added language support for Spanish and Japanese.

RENAMED:

  • "Glow Bird" → "Glowbird"
  • "Glow Bird Egg" → "Glowbird Egg"

MOBS:

  • Glow Bird:
    • Increased natural spawn rate.

WORLD GENERATION:

  • Updated several vegetation features — Bush, Leaf Litter, Pink Petals, and Wildflowers can now be replaced during world generation.
  • Improved Glow Lichen generation — it can now generate attached to most full-cube block types, and its generation rate in Mushroom Caves has been reduced.
  • Increased the generation rate of Mycelium Sprouts and Glowcelium Sprouts.

BLOCKS:

  • Fixed the texture bug on custom potted plants.
  • Adjusted the selection box, collision box, hardness, and blast resistance of most custom blocks to better match those of vanilla blocks.
  • Most solid custom blocks are now redstone conductors — buttons, levers, pressure plates, and other redstone signal emitters will now work when placed on custom blocks.
  • Custom blocks now behave correctly when pushed by pistons.
  • Custom blocks with pillar-type rotation (such as stems, bales, and pillar blocks) now have correct texture rotation based on their placement, matching their corresponding vanilla blocks.
  • Custom blocks with cross-model (such as plants and crystal clusters) now have consistent textures on all sides, similar to vanilla cross-model blocks.
  • Fixed an issue where blocks couldn’t be placed on custom slabs.
  • Custom plants now have slightly randomized positioning within a 1-block range when placed, similar to vanilla grasses.
  • Custom sprouts can now be instantly removed when a block is placed over them.
  • Custom ore drops now have the same average yield as vanilla ores when mined with or without the Fortune enchantment.
  • Mycelium Sprouts & Glowcelium Sprouts:
    • Reduced particle emission frequency.
  • Clumps of Mosshroom Fungus:
    • No longer instantly mined. They can now be efficiently mined using a hoe or shears.
    • Revamped textures and added semi-emissive details.
  • Moss Berry Bush:
    • Tweaked the block model.
  • Active Heated Netherrack:
    • Will no longer be triggered by mobs with the Fire Resistance effect.
    • The explosion block is now solid.
    • Fixed the explosion name appearing when a player dies from the explosion.
  • Rose Quartz Lamps:
    • Improved texture material instances — block sides no longer appear dim.
  • Mosshroom Hyphae Lamp:
    • Improved texture material instances.
    • Updated rendering method and added PBR texture support.
  • Mosshroom Hyphae Lantern:
    • Improved texture material instances.
    • Updated rendering method and added PBR texture support.
    • Tweaked the extension model when placed on the side face of a block.

ITEMS:

  • Added “Smeltable” info to several items and blocks that can be smelted.
  • Custom bone meal can now also be used as fertilizer on various fertilizable (mostly custom) blocks.

RECIPES:

  • The following blocks can now be smelted in a blast furnace to obtain their cracked variants:
    • Limestone Bricks
    • Marble Bricks
    • Soul Stone Bricks