Mario Clock is a downloadable DSiWare video game released in 2009 by Nintendo. The game costs 200 Nintendo Points and was accompanied by Animal Crossing Clock in Japan and Mario Calculator in America when it was released. The game is basically a clock with a Super Mario Bros. theme to it. "Thank you Mario! Your quest is over. We present you a new quest." Now you will be instructed to press the B button. Doing so will start the entire game over.