"Traditions of the Trade" mission - when Hitman is chatting up the receptionist, you can look in the guest book for Mr.Wuffs room. Also listed in the guest book are a number IO development team members. Martin Guldbaek and Rasmus Kjaer from the graphics... more
In Hitman: Codename 47 you get all maps if you call yourself "Kim Bo Kastekniv". The funny thing about it is that "Kim" and "Bo" are Danish names and "Kastekniv" means Throwingknife.