If Roblox is not opening, make sure that you don’t have proxy enabled. Cache or browser extensions can interfere with the game, so clear them to fix the issue. Struggling with various browser issues?
Add foo-overlay via layman and install mdev-bb and mdev-like-a-boss packages, then follow messages after instalation to disable devfs and possible udev scripts. Build sys-apps/busybox with 'mdev' use ...