$ steam steam://rungameid/570
Running Steam on ubuntu 18.04 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
[2019-06-16 06:13:18] Startup - updater built Jun 14 2019 20:52:10
[2019-06-16 06:13:18] Verifying installation...
[2019-06-16 06:13:18] Verification complete
STEAM_RUNTIME_HEAVY: ./steam-runtime-heavy
[2019-06-16 06:14:47] Background update loop checking for update. . .
[2019-06-16 06:14:47] Checking for available updates...
[2019-06-16 06:14:47] Downloading manifest: client-download.steampowered.com/client/steam_client_ubuntu12
[2019-06-16 06:14:48] Download skipped: /client/steam_client_ubuntu12 version 1560549607, installed version 1560549607
[2019-06-16 06:14:48] Nothing to do