If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Oh no, Mario took another shortcut through the Ghosthouse. Now he's trapped inside and only you can save him. Level after level of tricky courses and dangerous ghosts, including Big Boo and the Ghost of Donkey Kong Jr who both intend on stopping Mario. Collect all the coins in a room for bonus points. Escape the haunted house for a billion point bonus.