A recording medium and server provide a game that improves the interest in and taste of a battle event and increases the interest in and real enjoyment of the entire game. The recording medium provides a game including a predetermined battle event comprising at least one battle. In a battle event of this game, game contents are displayed in a first field, and a player selects therefrom a game content to be used for a battle with an enemy character. The first field is replenished with another game content alternative to the selected game content as needed so that the player can further select an additional game content therefrom.