NVForever
An open-source, clean-room reimplementation of the Fallout: New Vegas engine, in the
spirit of OpenMW. It runs on the data files of your own copy of the game; it ships no
Bethesda content and contains no Bethesda or Gamebryo code.
NVForever is not affiliated with or endorsed by Bethesda Softworks, ZeniMax Media,
Microsoft or Obsidian Entertainment. See LEGAL.md.
Getting started
- Own and install Fallout: New Vegas (base game; DLC optional).
- Download a build from the releases page
and unpack it outside the game folder.
- Run
nvforever.exe (or ./nvforever.sh on Linux) and point it at your game folder
when asked.
NVForever never writes into the game folder. Its settings, saves and logs live in
Documents\My Games\NVForever.
Optional: NVIDIA DLSS upscaling on an RTX graphics card (Windows), with files downloaded
from NVIDIA: see docs/dlss.md.
Mods
- Mod Organizer 2: add
nvforever.exe to MO2's executables (the drop-down beside
Run, then <Edit…>) and start it from there. It loads the plugins ticked in MO2,
in MO2's order, and the game folder MO2 manages. See
docs/mod-organizer-2.md.
- Without a mod manager: put the mod in the game's
Data folder, then turn its plugin
on in Documents\My Games\NVForever\plugins.txt with a * in front of its line. The
order of the lines is the load order. NVForever keeps its own list, so the original
game's mod list is not changed.
Script extenders (xNVSE, JIP LN, JohnnyGuitar and several smaller ones) are built into the
engine: their script functions run without the plugin .dll files, which NVForever never
loads. A mod that needs a plugin's engine patches, or a function not built yet, may not work.
Building from source
Needs Rust and Python 3.11+.
cd engine
cargo run --release --bin nvforever -- --data "<path to Fallout New Vegas>/Data"
More: docs/development.md (build, test, options, tools) ·
docs/status.md (what's built) ·
docs/outstanding.md (what's left).
Community
Chat, questions and playtesting: Discord.
Bugs
Report bugs and differences from the original with the
issue forms. Crash
reports are written to Documents\My Games\NVForever\logs. Never attach game files.
Contributing
Pull requests are welcome. Read CONTRIBUTING.md first: the clean-room
rules there decide what can be merged.
Support
NVForever is free. If you'd like to support it: ko-fi.com/lootjunkieazza.
Donations buy nothing extra; you still need your own copy of the game.
Licence
GPL-3.0-or-later; see LICENSE and LEGAL.md.
