Skyblue, Nusky and Ski find themselves in a game of Doors, where behind each of the hundred doors there may be a scary monster that leaves no one alive when they meet. Whether the girls will be able to choose from the unfortunate game by defeating those they will meet there depends on their musical abilities and, of course, on you, because you become their companion in this game.
Sing the following songs together with the blue-haired girls to get out of the Doors game: “Elevator Skyam”, “Guiding Sky”, “Ready or Not”, “Lovely Elevator Skyam” and “Hurry”. You can sing by pressing the keys corresponding to the notes. Click each time the symbols on the screen, which are moving, reach their stencils. Try not to make many misses in a row, because you will lose and have to start over.