In Sly 3: Honor Among Thieves, while in a disguise, Sly is asked to say a password by guards, Sly has to memorize the password transmitted to him by Bentley and answer the guards. There are three hub worlds that use passwords.
Venice
Password Codes
Triangle: Soprano
O: Alto
X: Bass
Square: Tenor
Passwords
Day time password: Alto, Alto, Bass, Bass
Midnight password: Alto, Bass, Alto, Alto
Last night password: Alto, Tenor, Tenor, Alto
Tereswee password: Soprano, Alto, Alto, Soprano
Carnivale password: Tenor, Bass, Tenor, Tenor
Cafe password: Bass, Bass, Bass, Soprano
Vacuum room password: Soprano, Soprano, Bass, Bass
Octavios house password: Tenor, Soprano, Tenor, Soprano
Secret suprano password:Tenor, Bass, Tenor, Tenor
China
Password Codes
Triangle: Day
O: Moon
X: Night
Square: Sun
Passwords
New years password: Night, Sun, Sun, Night
Crypt password: Night, Night, Night, Night
Wedding password: Sun, Moon, Sun, Sun
Sunset password: Day, Night, Sun, Moon
Bamboo forest password: Sun, Night, Moon, Night
Midnight password: Night, Day, Moon, Moon
Thursdays password: Sun, Moon, Day, Night
Temple password: Day, Sun, Day, Moon
Blood Bath Bay
Password Codes
Triangle: Hull
O: Spar
X: Jib
Square: Port
Passwords
Skeleton password: Jib, Port, Spar, Hull
Captain's password: Hull, Spar, Port, Jib
Crossbones password: Spar, Spar, Spar, Spar
Pirate password: Port, Port, Hull, Port
Skull password: Jib, Spar, Jib, Hull
Storm password: Jib, Spar, Jib, Spar
Flagship password: Port, Hull, Spar, Spar
Island password: Port, Hull, Spar, Hull