
Immersive Caves
A Vanilla+ mod that adds 15+ new climate/biome based Cave Types
Screenshots






About this Mod
Made for a Vanilla+ experience and is a great lightweight alternative to giant laggy mods!
MUSIC VOLUME #1: https://www.youtube.com/playlist?list=PLvHZZqXwQzOIUQGJafg9RkGitN6s4DNA-
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DONATE TO HELP WITH DEVELOPMENT: https://streamelements.com/herculuke/tip
Community Discord: https://discord.gg/pUcJHrxNKF
I recommend using the following with this mod for the best experience:
Here Be No Dragons (Mod)
Rubidium (Mod)
Oculus (Mod)
Solas (Shaders)
All cave types are listed in the spoiler below, I recommend only reading them if you are planning to add it to a modpack:
Spoiler
Iced Cave - Generates underneath colder biomes, coated in ice and far to slippery for parkour
Molten Cave - Generates underneath warmer biomes, the ground is typically magma but you have a good chance to find far too much gold here
Obsidian Reserve - Generates underneath any biome and is covered in obsidian which makes it difficult to mine for ores
Infested Cave - Generates underneath any biome and is filled with far to many bugs (silverfish)
Explosive Cave - Generates underneath any biome and can contain several hundred pounds of C4
Graveyard Cave - Zombies rise up from the ground covered in the dirt created by their rotting corpses
Amethyst Cave - Exactly as it sounds, it is also filled with swarms of allays
Coal Reserve - Lots of coal, lots of creepers
Nether Cave -Filled with netherrack, quartz, and zombie piglins
Panda Reserve -Bamboo cave filled with jungle creatures
Endstone Cave -The floor is made of endstone and the environment there is purple
The Depths - Don't tell Nintendo, its dark
Glowstone Reserve -Bright and even more bright
Illager Mine Cave - Generates in neutral temperatures and humidity, contains various illagers and their corresponding structures (as well as extra emeralds)
Radioactive Cave - Generates in neutral temperatures and humidity, contains green water and strange visual effects, you will be poisoned going there but at least there is a lot of gold and emeralds
Fungal Caverns - Moist, cool cave type filled with different types and sizes of mushrooms. Can prove to be difficult to mine in but could also provide much needed food or housing!
Liminal Cave - Strange and bright cave type with walls covered in sandstone. You will have a strange curse when within this biome and may find it difficult to leave Ǎ̴̘̠̕͠N̵͓̟̊͜D̶̲̒̐̕ ̶̘͒S̸̳͖̖̒̓Ŭ̸̜R̷̯̦̐͊̂V̷̪̾I̴͐͊͜V̴̢̍Ề̶̗̲̝͠.
(Please note that all caves have different mobs that spawn commonly within them corresponding with the type of cave it is)
If you do use this mod in a video please link it and/or my youtube channel in the description.
YT: https://www.youtube.com/channel/UCxiniYCfcBWNSVWPLbpFzHQ?view_as=subscriber
FOR MY PRIVATE PROJECTS AND JOBS SUBSCRIBE TO THE PATREON: https://www.patreon.com/herculuke/membership
Available Versions
How to Install Immersive Caves on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Immersive Caves". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2 (+7 more)
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Immersive Caves server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Immersive Caves compatible with forge and neoforge?
Immersive Caves officially supports forge, neoforge for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Immersive Caves – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Immersive Caves consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Immersive Caves with just one click on your server.