Firstly, launch Subway Surfers on your device. Click the ' Settings' button in the top right corner of the main menu. After this, select the ' Promo Codes' button at the bottom of the menu.

SYBO and Hipster Whale are partnering for the ultimate crossover, as they are merging the Subway Surfers and Crossy Road universes for a double event. Launching simultaneously on March 31 ...