sabre-rattling的朋友群:
Dodo Club (成员)
* BIG BAD * Battleboats*1185* (成员)
The Chess Club (经理)
Extinction Chess Club (大头)
Polygonal alien killers (成员)
The Dark Room (成员)
BK Chess (成员)
Hippopotamus Defence - Chess Club (成员)
Battle (大头)
Espionage Freaks! (成员)
THE CHAMPIONS LEAGUE (成员)