Infocom homepage -- At this site you can find information on ALL of Infocom's interactive games, Infocom related articles, sample transcripts, InvisiClue hints, walkthroughs, maps and information on buying Infocom games today.
Play The Hitchhiker's Guide to the Galaxy -- A Java applet that allows you to play the game within your web browser.
The Commodore Zone -- All about Hitchhiker's Guide to the Galaxy - introduction, images, related links and comments area.
THE HITCHHIKER ADVENTURE GAME by Douglas Adams - 20th Anniversary Edition -- Hosted by the BBC, this version of Hitchhiker's also has a graphical interface. Sean Sollé, who worked with Adams on Starship Titanic, and Rod Lord, who did the graphics on the BBC's television version of Hitchhiker's, provided the coding and the artwork. Shimon Young tied it all together using Flash.
The Infocom Gallery -- High-quality scans of the grey box package and manual of The Hitchhiker's Guide to the Galaxy.

Searches and Links

Amazon ; an online store selling new and used computer and video games.

Google ; search engine that ranks by popularity

Google Groups ; an archive of Usenet newsgroups; useful for finding discussions; formerly DejaNews

Game Trading Zone ; a site specializing in trading computer games; useful if you want to trade one of your games for The Hitchhiker's Guide to the Galaxy.