The Spelunker Update
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The Spelunker Update turns Minecraft's underground into a complete progression path. Explore new cave biomes, gather rare materials, craft powerful alloys, and build specialized equipment designed for life below the surface.
Includes a large focus on traversing worlds with enhanced world generation, structures, dungeons, and more for players to find unique loot.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Neoforge is a fork of the Minecraft Forge available for versions 1.20.1+ of Minecraft. Many Forge mods are compatible with Neoforge and vice versa.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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The Spelunker Update
The Spelunker Update expands Minecraft's underground with new cave biomes, metals, alloys, gems, traversal tools, utility gear, and cave-focused crafting systems. Explore fungal grottos, magma vaults, marble caves, and crystal caverns while building new loadouts around foundry alloys, socketed miner's helmets, tonics, rope, and deeper cave resources.
Overview
The Spelunker Update is a cave-expansion mod built around the idea that the underground should feel like a real progression path instead of just a place to grab ore and leave.
It adds new cave biomes, new metals and gems, new crafting systems, new utility equipment, and a stronger sense that different underground regions have their own identity. Instead of caves being mostly the same stone with different ores mixed in, this mod aims to make exploration itself feel rewarding.
Main Features
New Cave Biomes
The underground now includes several distinct biome types with their own terrain, mood, and resources.
Marble Cavesare large marble-heavy cavern regions that feel cleaner and brighter than normal underground stone.Crystal Cavernsare bright, prismatic cave systems filled with marble, crystal spikes, and glowing stone.
Magma Vaultsare deep volcanic chambers full of cinder rock, ash, scorched dripstone, and lava-lit ruins.
Fungal Grottosare giant mushroom caverns with mycelium mud, bioluminescent moss, glowcaps, fungal overgrowth, and huge mushrooms.
New Metals, Gems, and Materials
The mod adds new overworld metals and underground gem materials that support both progression and utility.
Tin,Nickel, andSilvergenerate as new ore lines in the overworld.
Topaz,Ruby, andSapphireappear through special cave features rather than simple ore veins.Marble,Prismatic Stone,Cinder Rock, and other biome stones provide large new building palettes.
Foundry and Crucible Alloying
Alloys are produced through a two-block structure:
Cruciblestores lava as fuelFoundryprocesses alloy recipes above it
Current alloys include:
BronzeElectrumInvarRose Gold
This system is meant to give underground materials a stronger crafting identity than just "smelt ore into ingot."
Cave Utility Gear
A large part of the mod is focused on gear that helps with exploration rather than only combat.
Examples include:
Bronze Compassfor depth readingMiner's Helmetwith socketed gem effectsProspector's Lensfor ore scanningTorch Launcherfor ranged torch placementRopeandRope Bundlesfor vertical cave travelBronze ShieldandElectrum Bowfor more specialized equipment
Armor Upgrades
Iron armor can be upgraded through smithing paths with different roles:
Nickel Platingfor durability and toughnessSilver Liningfor wither protectionRose Gold Filigreefor a more arcane, luck-focused route
Tonics and Exploration Effects
Several cave-focused consumables give short-term exploration advantages.
Spelunker's BrewDangersense TonicMiner's Tonic
These are meant to support scouting, mining, and cave survival rather than replace normal progression.
Notes
- Best experienced on a fresh world so the new cave biomes and underground features generate naturally.
- The mod is designed around the overworld underground rather than replacing vanilla progression entirely.
- Texturing is hard i aint that good at art
Plans
- Create a seperate ruby/sapphire/topaz block for geodes versus a compressed block
- Better textures ???
- More alloys
- Charred Bone (fossil?) structure
- More to come
- Achievements, Gamerules, and Customization options
The Spelunker Update
The Spelunker Update expands Minecraft's underground with new cave biomes, metals, alloys, gems, traversal tools, utility gear, and cave-focused crafting systems. Explore fungal grottos, magma vaults, marble caves, and crystal caverns while building new loadouts around foundry alloys, socketed miner's helmets, tonics, rope, and deeper cave resources.
Overview
The Spelunker Update is a cave-expansion mod built around the idea that the underground should feel like a real progression path instead of just a place to grab ore and leave.
It adds new cave biomes, new metals and gems, new crafting systems, new utility equipment, and a stronger sense that different underground regions have their own identity. Instead of caves being mostly the same stone with different ores mixed in, this mod aims to make exploration itself feel rewarding.
Main Features
New Cave Biomes
The underground now includes several distinct biome types with their own terrain, mood, and resources.
Marble Cavesare large marble-heavy cavern regions that feel cleaner and brighter than normal underground stone.Crystal Cavernsare bright, prismatic cave systems filled with marble, crystal spikes, and glowing stone.Magma Vaultsare deep volcanic chambers full of cinder rock, ash, scorched dripstone, and lava-lit ruins.Fungal Grottosare giant mushroom caverns with mycelium mud, bioluminescent moss, glowcaps, fungal overgrowth, and huge mushrooms.
New Metals, Gems, and Materials
The mod adds new overworld metals and underground gem materials that support both progression and utility.
Tin,Nickel, andSilvergenerate as new ore lines in the overworld.Topaz,Ruby, andSapphireappear through special cave features rather than simple ore veins.Marble,Prismatic Stone,Cinder Rock, and other biome stones provide large new building palettes.
Foundry and Crucible Alloying
Alloys are produced through a two-block structure:
Cruciblestores lava as fuelFoundryprocesses alloy recipes above it
Current alloys include:
BronzeElectrumInvarRose Gold
This system is meant to give underground materials a stronger crafting identity than just "smelt ore into ingot."
Cave Utility Gear
A large part of the mod is focused on gear that helps with exploration rather than only combat.
Examples include:
Bronze Compassfor depth readingMiner's Helmetwith socketed gem effectsProspector's Lensfor ore scanningTorch Launcherfor ranged torch placementRopeandRope Bundlesfor vertical cave travelBronze ShieldandElectrum Bowfor more specialized equipment
Armor Upgrades
Iron armor can be upgraded through smithing paths with different roles:
Nickel Platingfor durability and toughnessSilver Liningfor wither protectionRose Gold Filigreefor a more arcane, luck-focused route
Tonics and Exploration Effects
Several cave-focused consumables give short-term exploration advantages.
Spelunker's BrewDangersense TonicMiner's Tonic
These are meant to support scouting, mining, and cave survival rather than replace normal progression.
Notes
- Best experienced on a fresh world so the new cave biomes and underground features generate naturally.
- The mod is designed around the overworld underground rather than replacing vanilla progression entirely.
- Texturing is hard i aint that good at art
Plans
- Create a seperate ruby/sapphire/topaz block for geodes versus a compressed block
- Better textures ???
- More alloys
- Charred Bone (fossil?) structure
- More to come
- Achievements, Gamerules, and Customization options
Screenshots
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New Equipment and More
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New Ores
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Fungal Grotto Biome
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Magma Vaults Biome
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Crystal Caverns Biome
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