
Mystery House (Apple II, 1980) was the very first release from Sierra Online. Husband-and-wife cofounders Ken and Roberta Williams mailed the game in Ziplock baggies. They eventually sold over 10,000 copies. A word of warning, though: Mystery House isn’t any fun. “By any standards it’s an incredibly abusive play experience,” game designer Erin Robinson explains. She goes on to add that “the graphics have zero sense of perspective, and background lines travel through solid objects.” Crude green-on-black line drawings accompany sparse lines of blocky text. The houseguests aren’t particularly memorable, either. (Sam, for instance, is a brunet gravedigger. He’ll be among the first to go.) Meanwhile, the game’s prose doesn’t exactly aspire to Shakespearean heights. “Because they only left themselves room at the bottom of the screen for about two lines of text,” game developer Jake Elliott says, “the textual room...