Subnautica Reef Editor
⚪ Last updated 2021⚠️ 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
- 👍 2.4% endorsement rate — high engagement, a strong quality signal
- 🏆 #2 of 7 Modding Tools mods in this game by downloads
📋 About This Mod
This is a WIP Application to create and edit Subnautica's terrain.
Requires Subnautica, experimental branch recommended.
What it can do:
Edit Subnautica's voxel terrain, and its materials.
What it can't do (yet):
- Edit batch objects and loot
- Edit biome map
Usage
1. Browse to your game folder (SN or BZ) via the Settings window
2. To load textures from the selected game, use the Materials window.
3. Enter the indexes of batches you would like to load. Batch index can be learned in-game using F1 menu.
4. Edit the batch using the Brush window. Use Ctrl or Shift for extra convenience.
5. Edit the batch using the Brush window. Use Ctrl(command) or Shift for extra convenience.
When you next load the batch in the game, you should see your changes.
Camera Controls
-
[]WASD or arrows for FPS movement[/]
[]space/c for moving up and down respectively[/]
[]mouse to open various windows[/]
More info on github.
If you have questions or have trouble using the app, you can contact me on Discord: eterna#7673
A work-in-progress tool for editing Subnautica's voxel terrain, allowing players to modify the game world. It is not a mod but a utility, with 235 endorsements and nearly 10,000 downloads, last updated in November 2021.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid community interest with 235 endorsements and nearly 10k downloads
- Fills a niche for players who want to shape the terrain
- Active development as of late 2021
⚠️ Cons
- Not a finished mod—expect bugs and missing features
- Last updated in 2021, so may not work with current game versions
- No detailed instructions or documentation provided
For Subnautica players who love tinkering with game worlds and want to sculpt the terrain. Skip if you're looking for a ready-to-use mod—this is a tool for experimentation.
💡 Beginner Tips
- Check the mod's forum or comments for user experiences before diving in.
- Back up your save files before editing terrain to avoid corruption.
- Since it's a WIP tool, expect to troubleshoot and experiment.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- eterna
- Version
- 0.2.2
- Downloads
- 9,945
- Endorsements
- 235
- Category
- Modding Tools
- Created
- 4/27/2021
- Updated
- 11/22/2021
🔧 How to Install Subnautica Mods
Download from Nexus.
📖 Full step-by-step install guide for Subnautica →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Subnautica commands, item IDs, and more.
Keep browsing — more Subnautica mods await