The man on the cover and the title screen is the actor who played the role of agent J-23 (a Pole working for Soviet intelligence, impersonating Abwehr officer, Hans Kloss) in the 1960s television miniseries (and the earlier television drama series), Stanisław Mikulski
Developing the game took six months.
The background music is based on the main theme from the original TV show.
When the infinite energy cheat code is activated, two revolvers appear on the title screen with the letters "GNR" below them. This is a reference to the band Guns N' Roses.