Batman Arkham Knight for PlayStation 4 at Buy.com/Rakuten
Now: $46.95 (17% Off) with code “GOOD10″
Edit: Originally, we found a 17% off price. It has been updated on 7/1 at a different retailer with a 21% Off Price.
NOTE: This game is rated M for Mature (age 17+).
As a game that only launched a week ago on June 23, getting 21% Off with free shipping is pretty good. Be the Batman, Drive the Batmobile (a lot, actually), meet up with the Joker and save Gotham!