Question: Lee Hammock is a professional writer and game designer, Hammock has worked on numerous products for numerous companies, including which science fiction role-playing game by Blue Devil Games built on "d20 Modern" and powered by "d20 Future" by Wizards of the Coast?
Sentence (from "Dawning Star"): Dawning Star (abbreviated "DS") is a science fiction role-playing game by Blue Devil Games built on "d20 Modern" and powered by "d20 Future" by Wizards of the Coast.
Relevant evidence: Yes