The protagonist of the game is to vent the pig, it's called venting balls Oh! Vent pig falling from the sky in the game, you want to save them out here! Rules of the game is very simple, the location of the adjacent vent pig interchangeable, so that the formation of three more of the same in the horizontal or vertical vent pig pattern, and then save the vent pig. Scores can be set by the game players need to be completed within the specified time pass successfully. The game fully test the player's vision, intelligence and skills, and fun.