Radiation Challenge(for 2.0 and legacy)
subnautica — Mods & Enhancements
Radiation Challenge transforms Subnautica's surface into a lethal radiation zone, making the island uninhabitable and the ship hostile. Now a Bepinex plugin requiring SMLHelper, this gameplay overhaul forces players to adapt to a deadlier world. With 162 endorsements and recent updates, it's a niche challenge mod for veterans seeking a harsher survival experience.
📦 Full mod page on discovermods
Downloads, ratings, compatibility info, installation guides, and user reviews.
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GameplayExample
Downloads: 3,320 | Endorsements: 162💡 Notes
By libraryaddict | v1.0.6 | 162 endorsements
🎯 Tips & Tricks
Ensure you have Bepinex installed and configured before adding this mod, as it's a plugin dependency.
Back up your save files before enabling the mod, as it drastically alters world conditions.
Check the mod's page for any load order requirements with other Bepinex plugins.
🔧 Troubleshooting
Mod not working
Check load order and required dependencies. Read the full mod description.
⚠️ Common Mistakes
- Installing multiple mods that modify the same files without checking compatibility
👍 Pros
- Adds a brutal new layer of challenge for veterans (162 endorsements)
- Recent update (Aug 2025) shows active maintenance
- Transforms core survival mechanics, not just cosmetic tweaks
👎 Cons
- No install instructions provided by author
- Requires Bepinex and SMLHelper setup, which can be fiddly
- Niche appeal—not for casual players who enjoy relaxed exploration