Sorry, this offer has expired but find more Redbox Codes at Freebies 4 Mom. Send the text message RENT to 727272 today to get your unique Redbox promotion code for free Redbox Game rental ($2.00 value) to use on any day thru December 31. Your unique one-time use code can only be used at Redbox Kiosks and can not be used online. Thanks goes to Treasure Hunt for Coupons for sharing! And in case you missed it, get a second free Redbox Game Rental that also is valid thru Dec. 31.