1. Brink of Consciousness: Dorian Gray Syndrome
2. Cadenza: Music, Betrayal and Death
3. Death at Fairing Point: A Dana Knightstone Novel
4. Emberwing: Lost Legacy
5. Enigmatis: Mists of Ravenwood
6. Eternal Journey: New Atlantis
7. Forbidden Secrets: Alien Town
8. Fright
9. House of 1000 Doors: Serpent Flame
10. Margrave: Curse of the Severed Heart
11. Mystery Case Files: 13th Skull
12. Mystery Case Files: Escape from Ravenhearst
13. Mystery Case Files: Fate's Carnival
14. Mystery Legends: The Phantom of the Opera
15. Mystery Trackers: Black Isle
16. New York Mysteries: Secrets of the Mafia
17. Ranch Rush 2
18. Shiver: Vanishing Hitchhiker
19. Surface: Mystery of Another World
20. True Fear: Forsaken Souls
I haven't specified whether CE or SE, as both would be equally enjoyable.