public static void DeleteAll() { NMGPlayerPrefs.SetPlayerId(null); NMGPlayerPrefs.SetDeviceKey(null); NMGPlayerPrefs.SetRegion(null); NMGPlayerPrefs.SetChannelKey(NMGChannel.EveryNetmarble, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.Facebook, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.Kakao, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.Google, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.GameCenter, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.Naver, null); NMGPlayerPrefs.SetChannelKey(NMGChannel.Twitter, null); NMGPlayerPrefs.SetCountryCode(null); NMGPlayerPrefs.SetLanguage(null); NMGPlayerPrefs.SetJoinedCountryCode(null); NMGPlayerPrefs.SetIPAddress(null); }