Valve just passed along word that they have a new sale underway through Steam. This sale is focused on open world titles and is aptly named the Steam Open World Sale.
This sale runs from now through Monday, May 31 at 10AM (PT). This event obviously features savings on a number of open world titles. You can find all of the sale items right here on Steam.
Just to whet your appetite, some of the games I'm seeing on sale include Sea of Thieves at...