here is some more fodder for the list
- Blackstone Chronicles - Legend Entertainment - 1998
- Callahan's Crosstime Saloon - Legend Entertainment - 1997
- Drawn: The Painted Tower - Big Fish Games - 2009
- Fahrenheit: Indigo Prophecy - Quantic Dream - 2015
- Faust (aka Seven Games of the Soul) - Arxel Tribe - 1999
- Post Mortem - Microids - 2002
- Samorost 2 - Amanita Design - 2005
- Shadow of Destiny - Konami - 2001
- Still Life - Microids - 2005
- The Book of Unwritten Tales - King Art Games - 2009
- The Book of Unwritten Tales 2 - King Art Games - 2015
- The Black Mirror - Unknown Identity - 2003
i also would like to add my vote to
- Black Dahlia
- Discworld Noir
- Les Manley: Search For The King
- Les Manley: Lost in L.A.
- Kingdom o' Magic
- Kings Quest 8
- Realms of Arkania Trilogy (Das schwarze Auge - Die Nordland-Trilogie)
- Return to Mysterious Island series
- Universe
and
- The Whispered World
- Edna & Harvey
heck, everything from Deadalic

(1½ Knights: In Search of the Ravishing Princess Herzelinde is already supported, using a different engine than the rest, i believe)
...and a question...regarding the following entries, aren't they also rather strategy than adventure/rpg/puzzle?
- Starflight series
- Wing Commander series