 Labyrinth was the first adventure game created by Lucasfilm . The project was led by designer David Fox , who invented its word wheels to avoid the text parsers and syntax guessing typical of text @-@ based adventure games . Early in development , the team collaborated with author Douglas Adams in a week @-@ long series of brainstorming sessions , which inspired much of the final product . Labyrinth received positive reviews and , in the United States , was a bigger commercial success than the film upon which it was based . Its design influenced Lucasfilm 's subsequent adventure title , the critically acclaimed Maniac Mansion . 
