Question: Cyberspace is a cyberpunk role-playing game published by Iron Crown Enterprises and using a somewhat modified version of the ruleset of which science fiction role-playing game, developed by Kevin Barrett, and Terry K. Amthor?
Sentence (from "Cyberspace (role-playing game)"): Cyberspace is a cyberpunk role-playing game published by Iron Crown Enterprises and using a somewhat modified version of their "Spacemaster" ruleset.
Relevant evidence: Yes