Get 50% off Hasbro Games when you trade in your old game! This post may contain affiliate links. Please see the full disclosure policy here. Posted on February 22, 2010 Written by Mary Leave a Comment Kmart is offering a coupon for 50% off Hasbro games when you trade in your old games. This is only going to be valid 2/27 and 2/28 so start rounding up those games!!! **Can not be combined with other offers/coupons) Thanks Swaggrabber!