 Fox was given the job of taking notes during the trip . Although he had hoped for a complete design to emerge from the meetings , he returned from London with only " sheets and sheets of ideas " , through which he sifted to find usable concepts . However , all of the material influenced the game , and many of Adams ' suggestions were used . Retrospectively , Fox felt that the opening sequence was a mistake : he called it " tedious " and believed that it alienated potential fans . Labyrinth was released in 1986 for the Commodore 64 , Apple II and MSX . 
