WD-40, the serial number of the female Terminator, is a trademark of water-displacing spray - an obvious reference to Roger's original job as janitor.
The name of the planet Kiz Urazgubi is a pun on the phrase "Kiss your ass goodbye".
The character Roger Wilco ranked #5 in Computer Gaming World's November 1996 listing of the 15 most memorable game heroes.
In addition to the regular command icons included in the icon interface of many of Sierra games - Walk, Look, Take/Use and Talk - there is a special icon shaped like an exclamation mark inside speech balloon (while the Talk icon is shaped like empty speech balloon), whose function is to give commands to Roger's spaceship crew. This icon is unique to this game only.