* FollowTheLeader: Made quickly to cash in on the "futuristic blood sport" genre created by ''Film/{{Rollerball}}''. Ironically, it seems to be better respected by some critics than the earlier film because of its dark sense of humor.
* PlayingAgainstType:
** It was early in his career, so his type wasn't established yet, but still, the film features SylvesterStallone playing a mouthy JerkAss villain.
** David Carradine took the role immediately after walking off the set of ''Series/KungFu'', to avoid being {{Typecast}}.
* TechnologyMarchesOn: The use of matte paintings to create futuristic settings when integrating them with 1975-era sets is... [[http://imgur.com/13ZXM sometimes less than realistic]].
* WhatCouldHaveBeen: Peter Fonda was offered the part of Frankenstein.