Border Zone
Trivia
Extras
Feelies packaged with Border Zone included a Frobniz tourists guide (with phrasebook and train schedule), a business card from Riznik's Antique store, a Frobnizian border map, and a book of matches from the Frobniz national railway.
References
The names in the Gribnitz apartments in part three of the game are based on actual Infocom employees (thanks to Paul David Doherty's Infocom Fact Sheet for the original list):
Bextra (maybe Duane Beck)
Blenka (Marc Blank)
Blivik ?
Brgmiz (Ernie Brogmus)
Brlensk (Mike Berlyn)
Brzni (Joel Berez)
Carlyni (Linda Carlow)
Cnezeni (Cezanne Blank)
Cyrink (Liz Cyr-Jones)
Dimwitz (Lord Dimwit Flathead the Excessive)
Dornik (Michael Dornbrook)
Endrizen (Tim Anderson, or "Hollywood" Dave Anderson)
Flipni ?
Galnitz (Stu Galley)
Gentezek (Carl Genatossio)
Kooplitz ?
Lebniz (Dave Lebling)
Lengnoz (Elizabeth Langosy, or Donald Langosy)
Mrtzki (Steve Meretzky)
Onilik (Jeff O'Neill)
Profnim ("Professor" Brian Moriarty)
Rivni (Christopher Reeve)
Robnerim (the family name from "Deadline")
Sinkriz (maybe Anita Sinclair)
Urg ?
Veznich (Al Vezza)
Winip ?
Information also contributed by ClydeFrog and Ye Old Infocomme Shoppe
Trivia contributed by Tony Van, Patrick Bregger.