Persistent Reapers
🟡 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
- 👍 1.6% endorsement rate — high engagement, a strong quality signal
- ✅ Updated 44 days after the latest game patch — actively maintained
- 🏆 #94 of 456 Gameplay mods in this game by downloads
📋 About This Mod
Please support me by:
-
[]Subscribing to my YouTube channel
[
]Buying me a coffee[]Visiting my modding blog on Patreon
[]Joining my Discord Server
[]Browing my Linktree
(Allow me to also recommend Creature Flee Fix in order to enhance your Reaper-adjacent endeavors.)
What is this?
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[]This mod adds a number of persistent wandering Reaper Leviathans.
[]They are persistent in the sense that, once they are de-spawned within the game, the mod simulates their movement on the world map.
[]Once the player gets close enough to a simulated persistent reaper, the mod will spawn the reaper into its simulated position.
[]The locations of the persistent reapers can be visualized by using the "Print Reaper Map to File" button.
Why might I want this?
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[]If you want to add more terror into your gameplay experience
[]If you want to make the game more unpredictable
[]If you think Reaper Leviathans should exist everywhere (except beyond the crater edge)
[]If you just like Reaper Leviathans!
[]Fighting Reapers
Options:
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[]Toggle Persistent Reapers: enable or disable the persistent reapers
[
]Number of Persistent Reapers: change the number of persistent reapers across the whole map. See ReaperNumber[]Persistent Reaper Behavior: see Behavior
[]Scent Lifetime (seconds): see Human-Hunter
[]Depth Map: optionally disallow reapers from entering shallow areas
[]Reaper Update Interval (seconds): Optionally make reapers update less frequently, to save on performance.
[]Print Reaper Map to File: print an ascii map of persistent reaper locations to a file in the mod directory
ReaperNumber:
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[]The default value is 50 persistent reapers. This makes for 1 reaper per area about the size of a mushroom forest.
[]You can print the reaper map to visualize a reaper density that's good for you.
Behavior:
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[]Normal: unchanged from vanilla
[]Bloodthirsty: Reapers are hungrier and more aggressive
[]HumanHunter: see Human-Hunter
Human-Hunter:
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[]The player leaves behind a trail anywhere they go. The trail expires seconds after being drawn. If a persistent reaper (simulated or not) happens to find the trail, they will follow it until the trail runs cold.
[
]If a persistent reaper sees or hears the player, it will lock onto the player. Once locked on, a persistent reaper will not easily be shaken. - These reapers are only interested in the player, and will not target any other creature.
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[]The player leaves behind a trail anywhere they go. The trail expires seconds after being drawn. If a persistent reaper (simulated or not) happens to find the trail, they will follow it until the trail runs cold.
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[]Normal: unchanged from vanilla
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[]The default value is 50 persistent reapers. This makes for 1 reaper per area about the size of a mushroom forest.
-
[]Toggle Persistent Reapers: enable or disable the persistent reapers
-
[]If you want to add more terror into your gameplay experience
-
[]This mod adds a number of persistent wandering Reaper Leviathans.
Persistent Reapers adds wandering Reaper Leviathans that persist in the game world, along with various related options. With 222 endorsements and 13,580 downloads, it's a moderately popular gameplay mod for Subnautica players seeking more danger and unpredictability.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid endorsement-to-download ratio (222 endorsements) shows players appreciate the added threat.
- Persistent Reapers means the danger doesn't despawn—keeps the ocean scary.
- Options included let you tweak the experience to your liking.
⚠️ Cons
- Last updated November 2025—may not be compatible with future game updates.
For Subnautica veterans who find the base game too peaceful and want a constant sense of dread. Skip if you prefer a chill exploration experience or want a mod with clear documentation.
💡 Beginner Tips
- If you're new to modding Subnautica, make sure you have the mod loader (BepInEx) installed first, as most mods require it.
- Back up your save before installing, as persistent Reapers might make early game areas more dangerous than you're used to.
- Check the mod's comments section on the Nexus page for user reports on compatibility with other mods.
📊 Mod Details
- Game
- Subnautica Mods
- Author
- Mikjaw
- Version
- 3.0.0
- Downloads
- 13,580
- Endorsements
- 222
- Category
- Gameplay
- Created
- 7/4/2021
- Updated
- 11/16/2025
🔗 Required By 1 Mod
These mods list this mod as a dependency.
🧩 Commonly Used Together
Users add these mods to the same collections — a real compatibility signal, not an AI guess.
🔧 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.
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