Matchmaking in Gunz 2 is Separated by Regions for the steam Release . Depending on your location you will be matched with others around you, based on your skill and level. You can change your region by clicking the flag on the bottom right corner. Keep in mind that certain regions will be invisible to you. For example the United states players can cross into the Canada Region without any issues. However if a US player wanted to cross region to Korea, he would have to either receive and invite from a player connected to the Korean Server. You can also cross region via VPN. Which you can disable after you have connected without worrying about the region changing.