Question: Madmaze, an online video game designed by Eric Goldberg, was devoped by what American game designer and science fiction writer that is known under the pseudonym "Designer X"?
Sentence (from "MadMaze"): The game disappeared in 1999 with the death of the Prodigy service, but with the permission from the service and the creators, fans of the game have rehosted it.
Relevant evidence: No