To obtain a game tool and a game method for enjoying at least 10 types of games of three popular sports including golf, billiard and Japanese croquet games in a home by all family members including children and the old easily, healthily, and with reality by rearranging parts provided on one game mat so as to freely rearrange corresponding to three types of application.

A mat is provided with a first spot 4 and a second spot 16, wherein parts capable of freely rearranging including a tee ground 2, a green 5, a water hazard 8, roughs 9, bunkers 10, a start area 11, a first gate 12, a second gate 13, a third gate 14, a goal pole 15, corner pockets 17, and side pockets 18 are provided. A tee mark 3 is provided on the tee ground 2, and a cup 6 and a pin flag 7 are provided on the green 5.