Unlock Sawed-Off Shotgun:
Complete 2 levels with a 'Silent Assassin' rank.
Unlock Holstered Uzi:
When you hold the Uzi take out the Ballers and the Uzi will be fully holstered.
Unlock .22SD Pistol:
In the castle level where you have to kill Hayamoto senior the .22SD is well hidden as one of the items that is displayed in his museum.
Complete 5 levels with a 'Silent Assassin' rank or alternately complete the Shogun Showdown level with a 'Silent Assassin' rank.
Added by: Sanzano Mar 3rd 2008, ID#29372