I am having a issue with the Ui in app that I run in 4k 3840x2160 (16:9)

So when I am running in 4k and launch a Steam game like say for example like total Warhammer 3. It has a launcher it run before the game run. Which legit real small small. I can change the Ui and resolution in game and it fine. Yet every time a launch any game with a application before the game. It so small. Can you please advise me and info to change it. Thank you for your time.

Engineer•6/23/25, 12:24 AM

In the game's Steam launch arguments, try entering:
gamescope -w 3840 -h 2160 -f -e -- %command%gamescope -w 3840 -h 2160 -f -e -- %command%
I believe this will make all windows, including pre-launch menus, take up the full screen. If it doesn't, then I'm pretty sure gamescope has a setting for it

Engineer•6/23/25, 12:24 AM

(-f means fullscreen and -e gives you the Steam overlay)

Grimm DeathbringerOP•6/23/25, 12:54 PM

I'll try it out and thank you for your help.

Grimm DeathbringerOP•6/23/25, 1:15 PM

It work by making the launcher nice and big. When I click play. It crash all games.

I am having a issue with the Ui in app that I run in 4k 3840x2160 (16:9)

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