Its Bethesda Publisher Week at the Humble Store. That means that you can get Bethesda titles for up to 67% off. The sale runs from Monday, March 25 until April 1 at 1 PM Eastern.
They have deals running on games like Doom (2016) and Prey for $14.99, as well as older games like Return to Castle Wolfenstein and Doom 3 for $1.64.
Source: N4G PC Bethesdas games are on sale at Humble Store this week