A method of modifying a transparency factor of one or more objects in a computer game. A display of a computer device displays a first object having a transparency factor at a first location, said first object overlying at least one of a plurality of game objects. In response to a trigger event at least one of said transparency factor of the first object, a transparency factor of a game pointer, and a transparency factor of at least one game object are modified and at least one of said first object, said game pointer, and said at least one game object are displayed with said at least one modified transparency factor.