Open Megaton
🟡 Updated this year⚠️ Install Order · 5 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 🏆 #3 of 20 Overhauls mods in this game by downloads
📋 About This Mod
Opens the Megaton Worldspace to the Capital Wasteland!
Open Megaton
Opens the Megaton Worldspace to be seemlessly integrated into the DC Wasteland!
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Features:
-
[]Requires a new save!
[
]Persistent references are moved by this mod, which requires a new game.
[
]New and created from scratch, based on TTW 3. 4.[]Megaton Gate opens and closes, based on the player.
[]All quests tested and accounted for.
[]New Guards added to the Crow's Nests to help defend Megaton.
- []If shot, they should fall out of the nest.
[
]Placed many MultiBounds to help with performance.[]Rebuilt NavMesh for Megaton.
[]New LOD pieces so Open Megaton still has LOD.
- []Highly recommend you also use: TTW Fallout 3 LOD
[]Clean, ESM, all the things.
WARNING:
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[]This REQUIRES a new save, and cannot be removed from an existing save!
[
]There WILL be a performance hit, though relatively modern PCs should be fine.[]Without NVR, I see only an occasional dip in performance but typically am at a constant 60FPS. This includes the Capital Landscapes version.
[]With NVR, there is a hit though FPS in the area is typically consistent around 50-55 FPS, with only occasional dips. That's just the price to pay for better graphics.
[]If using the Capital Landscapes version and NVR, expect even more of a hit to performance due to the added lights and other items.
Known Issues:
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[]Confessor Cromwell will repeat the last line of his speech everyday.
[]This is not a bug with the mod, but with TTW.
[]This is reported to be fixed in TTW 3. 5.
- [
[]Just think of it as buildings built in to the wall due to lack of space.
Compatibility:
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[]Built-in compatibility for:
[]TTW Reputations
[]Tweaks for TTW
[]Lucy West Companion
[]Capital Landscapes - Use the Capital Landscapes version in the FOMOD.
- [
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[]Confessor Cromwell will repeat the last line of his speech everyday.
- [
[]Megaton Outskirts
Not Compatible with:
[]Older versions of TTW.
📊 Mod Details
- Game
- New Vegas Mods
- Author
- dhert
- Version
- 1.0.0
- Downloads
- 398
- Endorsements
- 17
- Category
- Overhauls
- Created
- 2/19/2026
- Updated
- 2/19/2026
🔧 How to Install New Vegas Mods
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