I followed the installation instructions on lutris.net but they didn’t work on my Ubuntu system:
$ sudo add-apt-repository ppa:lutris-team/lutris
Stable releases for the Lutris client
More info: https://launchpad.net/~lutris-team/+archive/ubuntu/lutris
Press [ENTER] to continue or Ctrl-c to cancel adding it.
Hit:1 http://us.archive.ubuntu.com/ubuntu cosmic InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu cosmic-updates InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu cosmic-backports InRelease
Hit:4 https://dl.yarnpkg.com/debian stable InRelease
Get:5 http://ppa.launchpad.net/lutris-team/lutris/ubuntu cosmic InRelease [15.9 kB]
Hit:6 http://security.ubuntu.com/ubuntu cosmic-security InRelease
Hit:7 http://repo.steampowered.com/steam precise InRelease
Fetched 15.9 kB in 1s (26.4 kB/s)
Reading package lists... Done
$ sudo apt-get update
Hit:1 http://us.archive.ubuntu.com/ubuntu cosmic InRelease
Hit:2 http://repo.steampowered.com/steam precise InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu cosmic-updates InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu cosmic-backports InRelease
Hit:5 https://dl.yarnpkg.com/debian stable InRelease
Hit:6 http://security.ubuntu.com/ubuntu cosmic-security InRelease
Hit:7 http://ppa.launchpad.net/lutris-team/lutris/ubuntu cosmic InRelease
Reading package lists... Done
$ sudo apt-get install lutris
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package lutris
What am I missing? Any tips or pointers would be appreciated as I’m new to Linux and totally lost!