The Jellyshroom Chasm
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview
🔍 Analysis
- 👍 1.4% endorsement rate — high engagement, a strong quality signal
- ✅ Updated 202 days after the latest game patch — actively maintained
- 🏆 #153 of 219 Environment mods in this game by downloads
📋 About This Mod
The Jellyshroom Chasm
This mod requires Epic Structure Loader and Terrain Patcher!!! This mod was made possible thanks to Kallie23's Structure Helper and Beneath The Waves' Abyss Editor.
This mod adds two new biomes to the map, complete with their own resources and hidden secrets.
Biomes -
The Jellyshroom Chasm
Deep within the Jellyshroom Caves, a small opening leads into the Jellyshroom Chasm. This region is littered with geothermal vents, providing nutrients for an abundance of floral life.
Coordinates:
The Lost River Chasm
Tucked away behind a drillable wall of the Jellyshroom Chasm is the Lost River Chasm, a small new subsection of the Lost River connecting the Jellyshroom Chasm to the Lost River Junction.
Coordinates:
Installation
To install, simply unzip the downloaded folder, open it, and drag the folder called "plugins" into the BepInEx folder.
The Jellyshroom Chasm mod adds two new small cavernous biomes to the map. It's a compact environment addition with 7 endorsements and 503 downloads, last updated in April 2026. For players seeking a bit more underground variety without overhauling the game.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Fresh underground variety with two new biomes to explore.
- Lightweight addition that doesn't overhaul the whole map.
- Recent update (April 2026) suggests active maintenance.
⚠️ Cons
- Very low endorsement count (7) — might be under-tested or niche.
- Small scope may not satisfy players looking for major content.
For explorers who want a bit more underground scenery in their game. If you're after a full biome overhaul, this isn't it. Skip if you prefer gameplay changes over cosmetic map additions.
💡 Beginner Tips
- Check if the mod requires a new save or works with existing worlds.
- Look for screenshots or videos to see the biomes before installing.
- If you use other map mods, test for conflicts in the same regions.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- DaniTheDani
- Version
- 1.0.0
- Downloads
- 503
- Endorsements
- 7
- Category
- Environment
- Created
- 4/23/2026
- Updated
- 4/23/2026
🔧 How to Install Subnautica Mods
Download from Nexus.
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Visit the official mod page for specific installation instructions for this mod.
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