PROBLEM TO BE SOLVED: To provide an ion generation device which suppresses smell of cigarette coming from adjacent persons, inactivates germs, fungi, viruses, and the likes contained in the air in an individual space, and creates a comfortable space for people playing games.SOLUTION: An ion generation device to be installed between playgame units includes a housing 11 installed in a space between adjacent playgame units, an air inlet 12 sucking the air, an air outlet 13 blowing out the air, an ion generation device 1 generating ions, and an air blower 2 which is provided at the interior of the housing 11 and delivers the air sucked by the air inlet 12 with the ions generated by the ion generation device 1 from the air outlet 13. The ion generation device 1 includes a deflection member 17 which inclines the air blow-out direction of the air outlet 13 toward the right adjacent game board side.
