This game is using Flash! After the 31st of July 2019, your internet browser might start blocking Flash, especially if you use Google Chrome. This means you'll have to activate it to play this game.
In Mario Ghosthouse 2, the Mario player's mission is to overcome obstacles in a haunted house with many deadly pitfalls and run to the safe exit. Remember, you only have 12 networks and your enemies are ghosts. Good luck and happy!