You can install programs under Steam that are not distributed through Steam.
You can install battlenet under Steam and use all the proton magic to make it work. Starcraft 2 and diablo 2 both work very well (those are the only two I've tried). At least for SC2, anti-cheat did not cause any issues if it's even there at all.
You can install battlenet under Steam and use all the proton magic to make it work. Starcraft 2 and diablo 2 both work very well (those are the only two I've tried). At least for SC2, anti-cheat did not cause any issues if it's even there at all.