I’m aware, but the appimage I run (Slippi Launcher) will run other appimages, and appimage-run can’t handle that, since it extracts the appimage, then runs the contents, but it won’t automatically do that for other appimages that are run.

Which is why I used a Distrobox and it was awesome, worked like a charm. I used Arch previously, and I just made an Arch distrobox and it worked perfectly.