I know I'm too late, but I'm new to Boomers, so I'm gonna put my 2 cents worth in anyway, though to look at your list, it won't change anything. Very good work on compiling all this data!
1 - The Longest Journey
2 - Syberia
3 - Riven
4 - Amerzone
5 - Myst
6 - Myst III Exile
7 - Schizm
8 - Cydonia (Lightbringer)
9 - ROTS II - Omega Stone
10 - Riddle of the Sphinx
11 - Beyond Atlantis (Atlantis II)
12 - Chemicus
13 - Bioscopia
14 - Physicus
15 - Post Mortem
_________________________
Come visit us at
Mystery Manor My candle burns at both ends;
It will not last the night;
But, ah, my foes, and, oh, my friends -
it gives a lovely light.
Edna Saint Vincent Millay