/unalias - Remove an alias.
/unexamine - Stop examining a game.
/unobserve - Stop observing a game.
/variables - Show settable variables and your Formula.
/visit - Visit a different Room. (ie. /visit Bishop will move you to the Bishop Room)
/whisper - Close to the /say command, but the Players can't see your comments
/who - Change variables. (ie. /set autoflag 1 or /set formula !abuser)
/withdraw - Remove a pending offer.
/znotify - Show who is on your notify list and on whom notify list you are