The Hitchhiker's Guide to the Galaxy States and Canada with Hannibal Records and Simon and Schuster were later negotiated by Douglas Adams and his agent, Ed Victor, after gaining full rights to the recordings from Original Records, which went bankrupt. There have been three audiobook recordings of the novel. The first was an abridged edition (), recorded in the mid-1980s for the EMI label Music For Pleasure by Stephen Moore, best known for playing the voice of Marvin the Paranoid Android in the radio series and in the TV series. In 1990, Adams himself recorded an unabridged edition for Dove Audiobooks (), later re-released by New
The Hitchhiker's Guide to the Galaxy (video game) actions not in the radio play or book that the player must perform to make the game winnable. Other puzzles are based so closely on the book or radio play as to be solvable only by those who are intimately familiar with Adams' work. In spite of all of this, "The Hitchhiker's Guide to the Galaxy" was rated as "Standard" difficulty by Infocom's rating system, though it was advertised to be at expert difficulty. The player is seldom given an actual purpose, apart from the implicit goal stated by the inventory item of "no tea". Much of the game is