These are about 1000 years old, but in case anyone hasn't played them;
http://www.fasco-csc.com/index_e.phpCrimson Room, Viridian Room, White Chamber, Blue Chamber. 4 'escape the room' point and clicks that I find pretty enjoyable. Crimson Room's still the best, Viridian is ace too... Blue Chamber might be new-ish actually, I've not done that one yet.
Also, this looks like it could be interesting. It's not free, and it's not out yet, but could be one to watch;
http://tale-of-tales.com/ThePath/index.htmlThe Path, a short horror game. Looks pretty atmospheric.