There is nothing more fun as a ride in a submarine on tropical ocean, and if you crave to take part in this extreme water and swim rather sit behind the wheel of the underwater monster and get to the start. Your friend-rival wants to show you how he masterfully controlled underwater vessel and able to beat you on the first node of the sea route. Dangerous curves, a lot of gold and a sense of satisfaction bonuses will accompany you when you leave your opponent behind.