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SPECIFICTION
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xNVSE

github.com

Windows
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Spec score 6.4 #24 of 26 in Game Mod Loaders

Spec sheet

Purpose
xNVSE expands the engine and scripting capabilities of Fallout: New Vegas.Read 7 Oct 2026 · github.com
Support
The project directs users to its Discord server for support and GitHub issues for bug reports and other problems.Read 7 Oct 2026 · github.com
Developers
The repository credits xNVSE development to korri123 (Kormákur), cnf13 (Confused), jazzisparis, and Demorome.Read 7 Oct 2026 · github.com
Distribution
The project links to the latest release and says releases are also available on Nexus Mods.Read 7 Oct 2026 · github.com
Documentation
The project directs script authors to the GECK Wiki for documentation on writing scripts that use NVSE.Read 7 Oct 2026 · github.com
Downloads
The project links to its releases for downloads and changelogs and warns against installing the source code ZIP.Read 7 Oct 2026 · github.com
Engine changes
It expands the game’s engine and scripting capabilities without modifying executable files on disk, so it has no permanent side effects.Read 7 Oct 2026 · github.com
Installation
The project instructs users to copy the DLL and EXE files into the Fallout: New Vegas game directory, not the Data folder.Read 7 Oct 2026 · github.com
Launch options
The game can be launched with nvse_loader.exe or, after applying the linked FNV 4GB Patcher, FalloutNV.exe.Read 7 Oct 2026 · github.com
Mod installation limit
The project says not to put the files in the Data folder or install xNVSE with MO2 as a normal mod.Read 7 Oct 2026 · github.com
Modder resource
NVSE expands Fallout: New Vegas scripting without modifying executable files on disk.Read 7 Oct 2026 · github.com
Release guidance
The latest release recommends following the Viva New Vegas mod guide for a stable experience.Read 7 Oct 2026 · github.com
Script documentation
The project directs script authors to the GECK Wiki for documentation on writing scripts that use NVSE.Read 7 Oct 2026 · github.com
Security notice
The latest release notice says antivirus software may delete nvse_loader.exe or nvse_steam_loader.dll and suggests temporarily disabling antivirus or using older versions of those files.Read 7 Oct 2026 · github.com
Stability guidance
The release page recommends the Viva New Vegas mod guide for a stable experience.Read 7 Oct 2026 · github.com
Supported game versions
xNVSE is compatible with the Steam and GOG versions of Fallout: New Vegas.Read 7 Oct 2026 · github.com
Supported versions
xNVSE is compatible with the Steam and GOG versions of Fallout: New Vegas.Read 7 Oct 2026 · github.com
Unsupported versions
German No Gore, Xbox Game Pass, and Bethesda.net versions are not supported; Epic Games Store users can use the linked Epic Games Patcher.Read 7 Oct 2026 · github.com

Where Specifiction places it

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