Simplify the following text for a Grade 5 native English-speaking person.
Original: Nintendo Power voted in its August 2008 issue that Super Mario Galaxy was the best game for the Wii ; it was also the only Mario game to get a top spot on the list , as well as the only game to be unanimously voted for the top position .
Simplified: Super Mario Galaxy is a video game by Nintendo . The game is for the Wii .