While there, they encounter two evil robots ( Ghost Rex and Ghost Pendulum), whom Sonic destroys in battle.Īfter Tails builds the sailboat, Ocean Tornado, they set sail for a small island. Using materials of different jewels and metals, Tails builds a waterbike called the Wave Cyclone, which they use to sail to a jungle island and a machine island, collecting more materials as they go along to build a sailboat. With this, Sonic and Tails set off for different islands, and the adventure begins. Marine tells the dynamic duo that she wants to go adventuring. The two then find themselves on an island, where a raccoon girl, named Marine, takes care of Sonic and Tails when they woke up. Sonic and Tails are tracking a mysterious, unknown source of energy in the Tornado, when they are sucked into a hurricane. Spoiler warning: Plot, ending details or any kind of information follow.