Dangerous Dave is a 1988 computer game by John Romero.
Secret #4 5 Points
Mail, or post, is a system for transporting letters and other tangible objects: written documents, typically enclosed in envelopes, and also small packages are delivered to destinations around the world.
Secret #33 5 Points
Money is any object or record that is generally accepted as payment for goods and services and repayment of debts in a given socio-economic context or country.
Secret #6 5 Points
F (named ef /ˈɛf/, as a verb spelled eff) is the sixth letter in the ISO basic Latin alphabet.
Secret #20 5 Points
Box (plural boxes) describes a variety of containers and receptacles for permanent use as storage, or for temporary use often for transporting contents.