Simplify the following text for a Grade 5 native English-speaking person.
Original: Created by Japanese game designer Shigeru Miyamoto , The Legend of Zelda is one of Nintendo 's core franchises , and has sold over 47 million copies worldwide as of 2007 .
Simplified: The game was created by Shigeru Miyamoto . 47 million copies of the game have been sold since 2007 .