After the recent September update, Rocket League now requires you to have an Epic Games account when you're playing it on Steam. If you don't have one, it'll prompt you to create one before you can play, provided you're online.
After the recent September update, Rocket League now requires you to have an Epic Games account when you're playing it on Steam. If you don't have one, it'll prompt you to create one before you can play, provided you're online.