As seasoned GOG users and tech troubleshooters, we've helped countless gamers resolve issues where purchased games vanish from their owned games list in GOG GALAXY. Rest assured, this is a common glitch—often after updates—and easily fixed. Follow our proven steps to restore your GOG games on Windows without worry.
Post-update, games may disappear from your installed list. The solution? Simply re-import them—no redownloading needed. Here's how to recover missing GOG games in GOG GALAXY:
Note: Scanning may trigger minor updates or file overwrites. If comfortable, proceed.

Expand Add games & friends, scroll to Scan folders for GOG games, and hit Select Folder.

GOG GALAXY will scan and import existing installs. For older downloads not detected, go to your Library, select the game, click More, and choose Manage installation > Add from disk.
No. GOG games are DRM-free with standalone .exe installers. GOG GALAXY is optional for library management—games run independently via desktop shortcuts or Start menu.
No additional launcher needed. Download the .exe, install directly, and play. Shortcuts appear automatically on your desktop, Start menu, and File Explorer.
Hope this helps!
Related: How to Fix GOG GALAXY Low Disk Space Error on Windows PC