This study aims to measure changes in the evacuation time with respect to the desk spacing used by internet computer gaming facility providers using an evacuation simulation program and to analyze the results. Currently, the “Special Act on the Safety Management of Multi-Use Businesses” only regulates the width of the internal evacuation passage. There is no regulation on the width of the evacuation space as determined by the arrangement of furniture in internet computer gaming facilities. Considering this, the evacuation times for evacuation passage widths of 190, 210, 230, and 260 cm were compared and analyzed considering various variables of the facility space. The results show that there is a large difference in the evacuation time, ranging from 166.0 s to 154.0 s, as the passage width increases from the minimum to the maximum. With the increasing popularity of internet gaming facilities and considering the safety of the evacuees, it is necessary to draft regulations on the width of new evacuation spaces during the deployment of internet computer gaming facilities.