recently released PC demo for Gabriel Knight creator Jane Jensen's long-in-development mystery/adventure title, Gray Matter. See, it's got the name of your brain goop right there in the title, so you know it's a thinking person's game.
The game was actually released in Germany earlier this month, and will arrive in the rest of Europe next February -- however, no US release plans for the full title have been announced. To unravel the full mystery therein, you're going to have to pony up for the German version of the game (which includes a full English voice track) or import the game, which is, in and of itself, kind of a mystery. Oh, Jane Jensen. You got us again.