In-universe, as Nick Rivers' songs "Skeet Surfin" "Skeet U.S.A." and "Skeet City" hit the top three spots on Billboard's charts the same week. With the Nick Rivers / Tammy Wynette duet "Your Skeetin' Heart" rounding out the fourth spot.
Shortly before an execution Nick is visited by a priest. He seems to read a prayer in Latin, but it's actually a mishmash of Latin phrases, like "Omnia Gallia in tres partes divisa est" — the (misquoted) opening line from Julius Caesar's Commentaries on the Gallic War common in school textbooks, or "veni vidi vici".
The reverse-filmed sequence with Peter Cushing as the Swedish bookseller is based on the linguistic theory that to people who don't speak the language English sounds like Swedish when played backwards (and vice versa). If you watch the scene played forward it's clear the actors are actually speaking English.
Harsher in Hindsight: The Nick Rivers marquee at the beginning listing "Time permitting: Frank Sinatra". The Grammys 10 years afterward had the same idea, cutting into Ol' Blue Eyes's Lifetime Achievement Award acceptance speech for a commercial break. (Granted, he didn't precisely have a speech prepared and only went on as long as he did due to being overwhelmed by the ovation when he walked out, and it ended on a good note, but for those watching it was still jarring.)
Narm: The early issues can read like this between the rather clumsy writing, articles resembling impromptu fanfiction rather than actual gameplay descriptions, and some authors elevating computer games to the level of mystic lore.