A game performing method for executing a game by arranging a plurality of
objects comprising a plurality of objects to be stuck and an operation
object, in a virtual space, controlling rolling and movement of the
operation object according to a player's input, and rolling and moving
the operation object while sticking the objects which the operation
object comes in contact with, comprises: setting a plurality of first
displacement points capable of displacing only in predetermined radial
directions different from each other, from a reference point
respectively; displacing the first displacement point adjacent to a
contact position, in the predetermined radial direction when the
operation object comes in contact with the object to be stuck; setting a
second displacement point in a position which meets a predetermined
distance condition; and controlling the rolling of the operation object
based on rolling surface reference points comprising the first and second
displacement points.