Hehehehe, yeah good luck with playing every proper adventure game ever developed/published. There are literally hundreds and hundreds of them going back say 18 years. Plus, if you ignore all the indie adventure games out there then you will be missing out on a number of gems. A few websites I like to browse through that have a comprehensive list of adventure games are
http://www.a-for-adventure.com/
http://www.adventure-archiv.com/
http://www.mobygames.com/home
http://www.pagodagamedatabase.com/
http://www.adventurepoint.co.uk/
