Wrong, I have indeed played most of these, This disk is worth having just for the Douglas Adams/Steve Meretzky written Hitchhiker's Guide To The Galaxy, Possibly the best text adventure written, If nothing else, Pick this disk out of your disk-box, And give it a go, You may be surprised. (Proper review soon)  :)

I remember a Java re-release of this, To which the link is....

http://www.bbc.co.uk/radio4/hitchhikers/game.shtml