If you see this file, you likely have a DRM-free version of a game (like the Fallout: New Vegas GOG Edition ). The "Galaxy" in its name refers to GOG's platform, though the file itself is often needed even if you aren't actively using the GOG Galaxy client to play. Troubleshooting & Common Issues
: It allows features like playtime tracking and achievements to work within the GOG Galaxy client for games that didn't natively support them. Common Usage in Fallout: New Vegas Galaxywrp.dll