Creator warns that upcoming Super Galaxy 2 is a tough cookie, explaining that it was designed for those who have completed the first game.

Speaking to CVG, Miyamoto admitted that newcomers may have to work hard in order to overcome the tough challenges in the game.

"We have to admit that this difficulty level of Galaxy 2 is rather high because it has been made specifically for the people who have finished Galaxy 1. But when it comes to the accessibility - in other words the easiness to control the Mario character - it's even easier than the original Galaxy 1."

Super Mario Galaxy 2 will be available on May 23 in the and June 11 in Europe.

By Tracy Erickson