Today only, Redbox is offering up a FREE DVD, Blu-ray or Game rental when you use promo code TT77TK28 at Redbox.com or in the mobile app (not valid at a Redbox Kiosk). AND it appears that the code takes $3 off so you can score TWO free DVD rentals! Note that this code is valid 5 times for a credit card you’ve used at Redbox before, and 3 times for a new card.
Also try code SEDF33DD as this code appears to be working for one FREE DVD Rental.