Return to Castle Wolfenstein with RealRTCW mod.

There are new-ish titles ! But i agree that their main selling point is long conservation repacking. No DRM packs that can linger on drives or clouds forever and it should still work as long as the OS allows it.

Your 2nd paragraph sounds just like GOG ! I tend whenever possible to get my games from GOG than Steam.

Dont give me hope…

If you want to continue with tailscale route, why won’t setup your own headscale server ? (OSS implementation of tailscale).