Nintendo Game Boy Advance Yoshi's Universal Gravitation * Operation confirmed. This is the Nintendo Game Boy Advance game software "Yoshi's Universal Gravitation". An action game starring Yoshi, who jumped out of the Super Mario series. There have been several titles in the past where Yoshi was the main character, but this game has a built-in rotation sensor in the cartridge, allowing you to enjoy unprecedented features. The theme of this game is to restore the world that has been turned into a pop-up book. The graphics are also finished in a picture book style, giving a very friendly impression. As it is a pop-up book, there are many gimmicks in various places that keep the player from getting bored. The tilting operation, which is a key feature, is easy to perform and is an essence of each stage, making the gameplay enjoyable. Batteries: 1 alkaline button battery (included) Package size: 6 x 5.4 x 0.6 cm; 18 g Release date: 2004/12/9 ASIN: B00068WKJK * No case, outer box, or instruction manual included.