Ends 2/27. Epic Games is offering a $10 off $14.99 digital coupon this month for signing up for email (you can unsubscribe immediately after). The coupon can be used on brand new titles like Dying Light 2: Stay Human at release. 

To activate, log into your Epic account, go to the Communications page and click the subscribe box. Coupon will be delivered within 24 hours and auto-appear at checkout.