Nickelodeon Surf’s Up. Ride the biggest and coolest wave on the beach with your surfboard. Grab a board and ride the waves. In Nickelodeon’s free and fun online action game, Nickelodeon Surf’s Up, you get to play as some of your favorite characters. There are two courses available at the start, but more will be unlocked as you go. For each you choose one of the levels of difficulty. You are going to surf, with the goal of not crashing into the water for as long as possible. You use the up and down arrows to move, and space to jump. Avoid breaks and any creatures or obstacles in your way, but do tricks, since they are going to grant you extra points. That’s all there is to it, so now start the game, have fun.