How do I play the Box Bonanza Game? You will be given three boxes and in each box is a random amount. Pick one box and if there is a cash prize in there, this is credited to your account right away! Related articles How can I check to see if my Box Bonanza prize it's been added on to my account? I clicked off the pop up before I picked my Box Bonanza, how do I get it back? What is a Box Bonanza Game? How do I win a Box Bonanza game? What does the Birthday Reward show as on my Reward History?