I just downloaded the itch app installer, ran it and it seemed to work fine, but the app itself won't start. No window appears launching it from gnome-shell, and nothing happens launching it from the command line. This is what I get in a terminal
mjog@blanchefort:~$ ~/.itch/itch
2018/10/08 22:12:43 App name specified on command-line: itch
2018/10/08 22:12:43 Locale: en-AU
2018/10/08 22:12:43 Initializing (itch) multiverse @ (/home/mjog/.itch)
2018/10/08 22:12:43 (/home/mjog/.itch)(current = "25.2.0", ready = "")
2018/10/08 22:12:43 Launch preferred, attempting...
2018/10/08 22:12:43 Launching (25.2.0) from (/home/mjog/.itch/app-25.2.0)
2018/10/08 22:12:43 App launched, getting out of the way
mjog@blanchefort:~$