differencedetective:

1. Secrets Can Kill: #1 Secrets Can Kill - of the “Nancy Drew Case Files” series.
2. Stay Tuned for Danger: #17 Stay Tuned for Danger - of the “Nancy Drew Case Files” series.
3. Message in a Haunted Mansion: #122 Message in a Haunted Mansion - of the “Nancy Drew Digest Paperback” series.
4. Treasure in a Royal Tower: #128 Treasure in a Royal Tower - of the “Nancy Drew Digest Paperback” series.
5. The Final Scene: #38 Final Scene - of the “Nancy Drew Case Files” series.
6. Secret of the Scarlet Hand: #124 Secret of the Scarlet Hand - of the “Nancy Drew Digest Paperback” series.
7. Ghost Dogs of Moon Lake: 1. #2 Ghost Dogs of Whispering Oaks - of the “Nancy Drew Ghost Stories” Volume 1. & #167 Mystery by Moonlight - of the “Nancy Drew Digest Paperback” series.
8. The Haunted Carousel: #72 The Haunted Carousel - of the “Nancy Drew Digest Paperback” series.
9. Danger on Deception Island: #153 Whispers in the Fog - of the “Nancy Drew Digest Paperback” series.
10. The Secret of Shadow Ranch: #5 Secret of Shadow Ranch - of the “Original Nancy Drew Hardcover” series.
11. Curse of Blackmoor Manor: #77 The Bluebeard Room - of the “Nancy Drew Digest Paperback” series.
12. Secret of the Old clock: #1 Secret of the Old Clock - of the “Original Nancy Drew Hardcover” series, #2 The Hidden Staircase - of the “Original Nancy Drew Hardcover” series, #3 The Bungalow Mystery - of the “Original Nancy Drew Hardcover” series, & #4 Mystery at Lilac Inn - of the “Original Nancy Drew Hardcover” series.
13. Last Train to Blue Moon Canyon: #8 Mystery Train - of the “Nancy Drew & Hardy Boys Super Mystery” series.
14. Danger by Design: #30 Death by Design - of the “Nancy Drew Case Files” series.
15. The Creature of Kapu Cave: #143 Mystery on Maui - of the “Nancy Drew Digest Paperback” series.
16. The White Wolf of Icicle Creek: #164 The Mystery Of The Mother Wolf - of the “Nancy Drew Digest Paperback” series.
17. Legend of the Crystal Skull: #81 Mardi Gras Mystery - of the “Nancy Drew Digest Paperback” series.
18. The Phantom of Venice: #78 The Phantom of Venice - of the “Nancy Drew Digest Paperback” series.
19. The Haunting of Castle Malloy: #168 The Bike Tour Mystery - of the “Nancy Drew Digest Paperback” series.
20. Ransom of the Seven Ships: #70 The Broken Anchor - of the “Nancy Drew Digest Paperback” series.
21. Warnings at Waverly Academy: #158 The Curse of the Black Cat - of the “Nancy Drew Digest Paperback” series.
22. Trail of the Twister: #155 The Mystery in Tornado Alley - of the “Nancy Drew Digest Paperback” series.
23. Shadow at the Water’s Edge: #12 Tour of Danger - of the “Nancy Drew & Hardy Boys Super Mystery” series.
24. The Captive Curse: #64 The Captive Witness - of the “Original Nancy Drew Hardcover” series.
25. Alibi in Ashes: #43 False Impressions - of the “Nancy Drew Case Files” series & #163 The Clues Challenge - of the “Nancy Drew Digest Paperback” series.
26. Tomb of the Lost Queen: #25 Secrets of the Nile - of the “Nancy Drew & Hardy Boys Super Mystery” series.
27. The Deadly Device: #165 The Crime Lab Case - of the “Nancy Drew Digest Paperback” series & #22 In and Out of Love - of the “Nancy Drew on Campus” series.
28. Ghost of Thornton Hall: #10 Uncivil Acts - of the “New! Nancy Drew Girl Detective” series.
29. The Silent Spy: #41 The Clue of the Whistling Bagpipes - of the “Original Nancy Drew Hardcover” series.
30. The Shattered Medallion: #3 Real Fake - of the “Nancy Drew Girl Detective - Super Mystery” series.

This is the official list from the HeR boards. And apparently the Dossier games were completely original stories by HeR? Wow, never knew.