Server device, and non-transitory computer-readable storage medium

A non-transitory computer-readable storage medium storing game program for causing a server device to realize a game in which a player battles against another player from an information processing terminal through a network, the program for causing the server device to realize:

• a function to store game contents possessed by the player, battle game contents including one piece or a plurality of game contents to be used when the player performs a battle against another player, and a battle parameter of the battle game contents in a player information storage unit;
• a function to store sacrifice contents serving as a sacrifice when the player has lost the battle against the another player, and an impact given by the sacrifice contents on the battle in a sacrifice contents information storage unit;
• a function to perform the battle of the player and the another player based on the battle parameter of the battle game contents and the impact, by a battle processing unit;
• a function to transmit information related to a result of the battle to the information processing terminal of the player that has performed the battle, by a transmission unit;
• and
• a function to cause as a result of the battle, sacrifice contents of a player who has lost the battle to be not possessed by the player and to be possessed by a player who has won the battle, and to change and store information stored in the player information storage unit, by an information change unit.