I’ve been experimenting with Gamescope and supersampling. I tried it on Edens Zero, but I’m not sure it’s actually working. Either the game is stubborn, or it just doesn’t look any better even when supersampled.

gamemoderun gamescope -W 1920 -H 1080 -w 3840 -h 2160 -r 120 -o 115 -- %command%