Instructions recorded on a non-transitory recording medium cause an information processing device that executes a battle game to execute the steps of storing different attribute information in association with each of at least two players; displaying a field including a plurality of regions, a predetermined event being set for each region, and attribute information being associable with each region; upon a player selecting at least one region from among the plurality of regions, executing processing for the event of the selected region; based on a processing result for the event, determining whether newly to associate the attribute information of the player with the selected region; and determining victory and defeat for the plurality of players based on at least one of a count, a total area, and a total volume of regions with which each piece of attribute information is associated.