Hi, I just recently finished sanetarium and it blew my mind away. Every once in a while I run into a game that really leaves a mark. I like psychological horror games, such as sanetarium and 9 if anyone have heard of it, "deep" games that offer a rich experience. Had my fair share of funny Lucas arts style adventures and to be honest I have had enough...
Another one on my list would be planescape:torment (even though it's not an adventure game ..)
Any recommendations?