To reduce the construction period and construction cost of a game facility, to efficiently carry out rearrangement, movement or removal of game machines so that components can be reused, and to carry out maintenance work such as exchanging damaged parts easily at reduced cost.

This game facility has plural square elastic mats 1A and plural square pillar-shaped elastic blocks 2A. The height H and the width W of each elastic block 2A is larger than the thickness of the elastic mat 1A, and the elastic blocks 2A are arranged along the outer edges of the elastic mats 1A spread on the floor. The length L1 of each elastic block 2A is the same as the length L of one side of the elastic mat 1A. And a detachable connecting means 7 is attached to each contact surface between an elastic mat 1A and an elastic block 2A and to each contact surface between adjacent elastic blocks 2A.