I’ve got a couple Unity games on my pc that I’ve added to my Steam library for easy access by controller via Steam Big Picture mode. Having to get off the couch to click the Play button is quite the nuisance. Is there a way to skip it?
No, unfortunately you can’t.
A developer can disable it through
Project Settings
> Player Settings
and switching Display Resolution Dialog
to Disabled or Hidden By Default.
But a player cannot jump directly to the game.