What year was the role-playing game, which is a supplement for another game by the same Michigan-based company, released?
Truckin' Turtles Truckin' Turtles is a supplement for the "Teenage Mutant Ninja Turtles & Other Strangeness" role-playing game. It was published by Palladium Books in 1989 and uses the Palladium Megaversal system.
GURPS Witch World GURPS Witch World is a role-playing game supplement that was published by Steve Jackson Games for the GURPS game rules.