There’s a ton of game launchers, for instance this one just came out the other day and allegedly launches your games from Steam/Heroic/Bottles/etc. Not sure if it’s what you need but it seems weird there wouldn’t be an alternative to Playnite: https://flathub.org/apps/details/hu.kramo.Cartridges
Screensharing looks like something to wait on though. I’ve heard of people getting it to work but seems finicky
Edit: Looks like Playnite has distant goals of supporting Linux. Could be a race between these two apps for you to see which one gets working first
Steam and emulators work great but somethings are more complicated. As far as games your confined inside the steam environment unless you’re willing to do extra work.
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There’s a ton of game launchers, for instance this one just came out the other day and allegedly launches your games from Steam/Heroic/Bottles/etc. Not sure if it’s what you need but it seems weird there wouldn’t be an alternative to Playnite: https://flathub.org/apps/details/hu.kramo.Cartridges
Screensharing looks like something to wait on though. I’ve heard of people getting it to work but seems finicky
Edit: Looks like Playnite has distant goals of supporting Linux. Could be a race between these two apps for you to see which one gets working first
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Lutris.net is an alternative to Playnite.
Steam and emulators work great but somethings are more complicated. As far as games your confined inside the steam environment unless you’re willing to do extra work.