A method for providing a battle game in which a user repeatedly attacks and defends against an opponent using a plurality of objects placed in a plurality of areas arranged in a matrix, includes: a selection step of causing the user to select an area from the plurality of areas, and holding the area which has been already selected as a selected area; a first execution step of causing an object placed in the selected area; a determination step of determining whether or not a combination of an already selected area and the currently selected area matches at least one line which is any of a row, a column, and a diagonal of the matrix; and a second execution step of causing an object to execute a second action, in the case where the determination step determines that the combination matches the at least one line.