Troubleshooting Gameplay Problems of Modern Windows Port (.NET MAUI WinUI 3) - hyvanmielenpelit/GnollHack GitHub Wiki

Problem: Game Does Not Use My Dedicated GPU But Integrated One

Reason

Windows detects WinUI 3 apps by default as apps and not games.

Solution 1: Use Windows 11 Settings App to Enable Dedicated GPU

Steam Version

1. Open the Settings app.
2. Go to System → Display → Graphics.
3. Select Add desktop app in Add an app.
4. Click Browse and locate GnollHackM.exe in C:\Program Files (x86)\Steam\steamapps\common\GnollHack.
5. GnollHackM should appear in the list.
6. Click GnollHackM, which should open a list of options.
7. Select High performance in GPU preference.
8. Start GnollHack. It should now use the dedicated GPU. It can still do some work on the integrated GPU.