In the game, what player does is to trap different ghosts into different bottles according to the size. To do this, player has to select the correct bottle and go through the ghost. Since they are ghosts, they are not visible, but the sounds they emit will help the player to locate them and determine their parameters

In the game, what player does is to trap different ghosts into different bottles according to the size. To do this, player has to select the correct bottle and go through the ghost. Since they are ghosts, they are not visible, but the sounds they emit will help the player to locate them and determine their parameters