Double, Double XP Glitch! 1.Log into your account on rankupxp.com. 2.Type in your code. 3.Open a new window and pull up rankupxp.com and log in. 4.Put your code in on that too. 5.Press redeem as quick as possible in both tabs. 6.The code will be put in twice! 7.Double, Double XP You can try to do it with more than 2 windows, but it will probably be very hard Proof