To provide a game system capable of making even a beginner comfortably play a game.

A CPU 12 of a battle game machine includes: a character data memory 13 for recording data of all the characters used for the game; a skill data memory 14 for recording data of all the skills used for the game; a player data memory 15 for recording the games related to all the players; a means for generating a virtual slot image consisting of a plurality of virtual slot reels on a display; and a means for arranging and representing an icon showing the skills of the characters selected by respective players on the virtual slot reels. The virtual slot is actuated, and based on the playing result, the character participating in the battle determines the skill executed in the battle.