| 1. Main Title of Decoded | not rated | 2:18 |
| 2. Emotion | not rated | 2:04 |
| 3. Something Is Going On | not rated | 2:42 |
| 4. Spy | not rated | 2:17 |
| 5. The Theme of Decrypting | not rated | 2:47 |
| 6. The Code of Purple | not rated | 2:14 |
| 7. Meet In Private | not rated | 3:05 |
| 8. Equation | not rated | 1:41 |
| 9. Far Away | not rated | 2:16 |
| 10. Unlock (Theme Song of Decoded) | not rated | 6:03 |
| 11. Training | not rated | 1:28 |
| 12. The Grievous News | not rated | 2:48 |
| 13. Last Words of An Neng | not rated | 1:52 |
| 14. Pursuit | not rated | 1:32 |
| 15. Humor - Allegro | not rated | 1:40 |
| 16. The Sad Melodica | not rated | 1:32 |
| 17. Research | not rated | 1:51 |
| 18. The Last Battle | not rated | 1:20 |
| 19. Humor - Andante | not rated | 0:50 |
| 20. Lose Mix | not rated | 1:20 |
| 21. Modern Emotion | not rated | 2:53 |
| 22. Warm Emotion Mix | not rated | 1:39 |
| 23. Dramatic | not rated | 1:32 |
| 24. War | not rated | 1:07 |
| 25. Going In | not rated | 1:07 |
| 26. Spy City | not rated | 1:21 |
| 27. Suspense, Pt. 1 | not rated | 3:12 |
| 28. Suspense, Pt. 2 | not rated | 3:22 |
| 29. Long Way To Go Mix | not rated | 1:22 |
| 30. Young | not rated | 0:56 |
| 31. Some Happiness | not rated | 1:31 |
| 32. Humor, Pt. 1 | not rated | 0:48 |
| 33. More Happiness | not rated | 1:31 |
| 34. Humor, Pt. 2 | not rated | 1:23 |
| 35. Plot, Pt. 1 | not rated | 1:24 |
| 36. Plot, Pt. 2 | not rated | 1:29 |
| 37. Plot, Pt. 3 | not rated | 1:55 |
| 38. Intense | not rated | 1:08 |
| 39. Unlock (Instrumental) | not rated | 6:05 |
| 1:19:25 |
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