To earn 40 free Crowns, play the trivia game that pops up when you open the BK app or visit the website. Enter the following answers: Travis Kelce, 67, Insta-Burger King, and You rule. If you're not a BK RoyalPerks member yet, sign up to start earning Crowns reward points. Royal Perks is Burger King's loyalty program where members can earn Crowns and redeem them for rewards. Joining Royal Perks is easy - simply go to bk.com, click "Sign Up," or download the BK® App.