Groups are a function of Ro-Ghoul where a person can join people with similar interests and play Ro-Ghoul in a whole new way. Some groups will have a group mask. Your arena score will count towards that group. You will get a badge over your head which you can toggle on and off in the settings.
List of Groups
This is the list of the official Ro-Ghoul groups.
|Hogo Organization||Hogo Organization||Yes|
|The Commission of Counter Ghoul||The Commission of Counter Ghoul||Yes|