StarTropics bring to the people an exciting adventure while battling aliens to protect the Earth. The main character of the game is Mike. He visited his uncle, Dr. Steven Jone, on C – Island. Dr. Jone currently lives in the town of Coralcola. However, Mike discovered his uncle was missing. In the process of seeking information related to the missing Dr. Jone. Mike received help from the mayor of the town of Coralcola. He gave Mike a yo-yo as a weapon. In addition, Mike is allowed to use submarines to navigate in the search for Dr. Jone. With the help of the Nav-Com robot – one of Dr. Jones’s assistants, Mike is able to move to various areas to search for information.
