1. Agatha Christie-Then There Were None
2. Agatha Christie: The Oriental Express
3. Agatha Christie: Under The Sun
4. Belief & Betrayal
5. Black Mirror
6. Dark Fall 1
7. Dark Fall 2
8. Darkness Within
9.Dead Reefs
10.Dracula Origin
11. Nancy Drew Blackmoor Manor
12. Nancy Drew in The Haunted Mansion
13.Outcry
14.Overclocked
15.Post Mortem
16.Sherlock Holmes in Awakened
17.Sherlock Holmes in The Mummy
18.Still Life
19.Syberia 1
20.Syberia 2

I probably would have added still 2 and Sherlock Holmes versus Jack the Ripper, but I'm not through playing them yet.

Here's my list.

1. 80 Days
2. Amerzone
3. Black Mirror
4. Culpa Innata
5. Dracula Origin
6. Dracula: Resurrection
7. Dreamfall: The Longest Journey
8. ECHO: Secrets of the Lost Cavern
9. Longest Journey
10. Moment of Silence
11. Return to Mysterious Island
12. Safecracker 2006
13. Secrets of Da Vinci
14. Sherlock Holmes: The Awakened
15. Sherlock Holmes: The Case of the Silver Earring
16. Sherlock Holmes vs Arsene Lupin (Nemesis)
17. Sherlock Holmes vs Jack the Ripper
18. Still Life 1
19. Syberia 1
20. Syberia 2

And my list of 2009 look like this:

Big Red Adventure, The
Blade Runner
Broken Sword 1: Shadow of the Templars
Broken Sword 2: The Smoking Mirror
Discworld 1
Discworld 2: Mortality Bytes!
Gabriel Knight : Sins of the Fathers
Jack Keane
Monkey Island 2: LeChuck's Revenge
Sanitarium
Secret Files: Tunguska
Secret Files 2: Puritas Cordis
Secret of Monkey Island, The
Sherlock Holmes: The Awakened
So Blonde
Still Life
Tex Murphy: Under a Killing Moon
Toonstruck
Wanted a Wild Western
Woodruff and the Schnibble of Azimuth

Thanks to all involved in compiling this list. Here's mine.

Amerzone
Barrow Hill
Darkness Within
Drowned God
The Last Half of Darkness: Beyond the Spirits Eye
The Last Half of Darkness: Shadows of the Servants
MYST
Myst V
Outcry
Post Mortem
Riven
Scratches
Sherlock Holmes: The Awakened
Sherlock Holmes vs. Jack the Ripper
Still Life
Syberia
Syberia II
URU

Amber Journeys Beyond
Anacapri
Barrow Hill
Cleopatra: Riddle of the Tomb
Conspiracies
Dracula 3: The Path of the Dragon
Echo: Secret of the Lost Cavern
Longest Journey, The
Lost Crown, The
Nancy Drew: Secret of the Scarlet Hand
Nancy Drew: TheSecret of Shadow Ranch
Nostradamus: The Last Prophecy
Phantasmagoria
Phantasmagoria: A Puzzle of Flesh
Quiet Weekend In Capri, A
Return to Mysterious Island
Syberia I
Syberia II
Voyage
Yoomurjaks Ring

Well, I had to bump one of my older favorites to be able to mention Outcry, one of the first newer games (2008) that made an impression on me. The next youngest game is Rhem 2 (2005). It should be mentioned that I haven't played Rhem 3 yet, and I when I do, I'll probably need to bump something else . The list gets harder each year.

Black Dahlia
Dark Fall 1
Gabriel Knight Beast Within
Gabriel Knight Blood of the Sacred Blood of the Dammed
Myst Exile
Neverhood
Obsidian
Outcry
RealMyst
Rhem
Rhem 2
Riddle of the Sphinx
Riven
Schizm (Mysterious Journey)
Shivers
Shivers 2
Tex Murphy Pandora Directive
Timelapse
Zork Grand Inquisitor
Zork Nemesis

Awesome

Agatha Christie: Murder on Oriental Expres
Belief and Betrayal
Ben Jordan Paranormal Investigator 6: Scourge Of The Sea People
Broken Sword: The Angel of Death
Broken Sword: The sleeping Dragon
CSI: Hard Evidence
CSI: New York
Harvey Birdman: Attorney at Law (psp/ ps2)
Keepsake
Nelly Cootalot
Night Squale (AGS)
Overclocked
Post Mortem
Scratches
Secret Files: Tunguska
Sherlock Holmes: The Silver Earing
Sherlock Holmes vs Arsene Lupin (Nemesis)
Still Life
Syberia
Syberia 2

-----------------
Wish I could put cirque de zale there too but maybe next time. And I wish I could put 'overclocked' on top of all the games

Many thanks for your hard work Flotsom. Here is my vote -
Barrow Hill
Black Mirror
Darkfall the journal
Darkness Within in pursuit of Loath Nolder
Dracula ; Origin
Gilbert Goodmate and the mushroom of Phengoria
Grim Fandango
Lost Crown the
Martin Mystere
Moment of Silence the
Mystery of the Druids
Post Mortom
Return to Mysterious Island
Runaway A road adventure
Scratches the directors cut
Secret files of Tungusks
Sherlock Holmes ; Nemesis
Simon the Sorcerer 4 Chaos happens
Syberia 1
Time Stand Still.

I got the list to only 20 by only including 1 game of a series.

Art of Murder 1
Art of Murder 2
Black Mirror
Carol Reed: Colour of Murder
Delaware St. John: The Seacliff Tragedy
Dig
Grim Fandango
Journeyman Project: Buried in Time
Journeyman Project: Legacy of Time
Last Half of Darkness: Beyond the Spirit's Eye
Lighthouse: The Dark Being
Moment of Silence
Myst
Nostradamus
Paradise
Riddle of the Tomb
Shivers
Still Life
Syberia 1
Syberia 2

List posters! If at all possible, please alphabetize your lists! It makes it much easier to count your votes.

Thank you, thank you.

I'm not good at making lists, but here goes ...

Art of Murder: FBI Confidential
Blackwell Legacy, The
Blackwell Unbound
Chronicles of Mystery: The Scorpio Ritual
Diamonds In The Rough
Emerald City Confidential
Indiana Jones and the Fate of Atlantis
Legend of Crystal Valley, The
Secret Files: Tunguska
Secret Files 2: Puritas Cordis
Still Life
Syberia
Syberia 2
Tales of Bingwood, Chapter 1: To Save a Princess

7th Guest, The

Broken Sword: The Sleeping Dragon

Ceville

Dark Fall: The Journal

Day of the Tentacle

Destination: Treasure Island

Dreamfall: The Longest Journey

Gabriel Knight: Sins Of The Fathers

Gabriel Knight 2: The Beast Within

Gabriel Knight 3: Blood Of The Sacred, Blood Of The Damned

Longest Journey, The

Phantasmagoria

Phantasmagoria: A Puzzle Of Flesh

Return to Zork

Rhiannon: Curse Of The Four Branches

Runaway: A Road Adventure

Runaway: The Dream Of The Turtle

Scratches: Director’s Cut

Syberia

Watchmaker, The

Sorry Becky this was my first time to make a list.
I redone it and put it in order

Thanks amlamb! We're not trying to make it hard to post a list -- we're just trying to make it easier on those who also serve by counting.

Here's mine:

Amber: Journeys Beyond
Carol Reed: The Colour of Murder
Dark Fall
Delaware St. John: The Seacliff Tragedy
Gabriel Knight: Sins of the Fathers
Gabriel Knight: The Beast Within
Grim Fandango
Longest Journey, The
Museum of Broken Memories, The
Myst
Obsidian
Return to Zork
Riven
Sanitarium
Strange and Somewhat Sinister Tale of the House at Desert Bridge, The
Syberia
Tex Murphy: Overseer
Voyage
Zork Grand Inquisitor
Zork Nemesis

It was especially hard to choose just one of the serial games, especially Delaware St. John and Carol Reed. And I just realized I haven't played Hope Springs Eternal, since BFG doesn't have it yet. I need to go order it, I guess.