cool online flash game (you better have a nice sharp monitor to find these things!
ps. you can buy a fuller version of this game.
Let the super-sleuthing begin in this sequel to the Mystery Case Files smash hit series! The Queen's Hope Diamond has been stolen! It's up to you to search for clues, find the offending culprit, and recover the stolen gem. Expand your investigations through the game's 29 unique locations by finding items that will unlock subsequent levels. Thousands of clues are cleverly hidden within the beautiful illustrations, creating a new game experience each time you step into this visual masterpiece!
from
http://flash.plasticthinking.org/