The Hitchhiker's Guide to the Galaxy by Marvin, the Paranoid Android, who, although 37 times older than the universe itself (what with time travel and all), has just enough power left in his failing body to read the message and feel better about it all before expiring. This was the first "Hitchhiker's" novel which was not an adaptation of any previously written story or script. In 2005 it was adapted for radio as the Quandary Phase of the radio series. Finally, in "Mostly Harmless" (published in 1992), Vogons take over "The Hitchhiker's Guide" (under the name of InfiniDim Enterprises), to finish, once and for all, the
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