Ben 10 Motocross Under The Sea is a Sports game. You can play Ben 10 Motocross Under The Sea in your browser for free. Your mission in this Ben 10 Motocross game, is to help Ben Tennyson reach a secret underwater cave. Your favorite hero, Ben Tennyson, is Under the Sea in a race against time because his oxygen tube has a leak and empties quickly. Help Ben 10 finish each level and get more oxygen. Use the ARROW keys to drive Ben 10 motorcycle. Try to complete the 7 tracks as fast as you can in this cool Ben 10 bike game. Play Ben 10 Motocross Under the Sea game and have fun! Share this free dirt bike game with your friends on Facebook.