Ultra Interior Lighting
fallout-4 — Mods & Enhancements
Ultra Interior Lighting is a comprehensive lighting overhaul for Fallout 4 that adds more shadow lights and improves overall lighting, ambience, and fog in the Commonwealth, Far Harbor, and Nuka World interiors. With over 11,000 endorsements and nearly a million downloads, it's a popular choice for players seeking enhanced interior visuals.
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Downloads, ratings, compatibility info, installation guides, and user reviews.
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Visuals and GraphicsExample
Downloads: 913,432 | Endorsements: 11,768💡 Notes
By gargorias | v2.3 | 11,768 endorsements
🎯 Tips & Tricks
If you use a mod manager like Vortex or MO2, install this mod and let it overwrite other lighting mods for best results.
Test in a few different interiors (e.g., Diamond City shops, Far Harbor buildings) to see if the lighting fits your taste.
Check the mod's posts section for any known conflicts with popular lighting overhauls like Vivid Weathers or NAC.
🔧 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
- Huge community trust: 11,768 endorsements and 913k downloads—this mod is battle-tested
- Covers all major DLC areas, so you get consistent lighting improvements everywhere
- Enhances atmosphere with better fog and ambience, not just brighter lights
👎 Cons
- No detailed feature list or screenshots in the description—you're going in somewhat blind
- No explicit compatibility notes for other lighting mods, so you might need to test load order
- Last updated in September 2025—could be outdated if the game has had patches since then