Mega Man X8 (2004) was developed and published by Capcom. The soundtrack was composed by Yuko Komiyama, Naoto Tanaka, and Shinya Okada.

Tracklist:

1. Theme of "Mega Man X8" (0:00)
2. Noah's Park (1:49)
3. Intrusion Crabs-Y (5:18)
4. VS Maverick (6:56)
5. Troia Base - Passage (10:14)
6. Troia Base - Forwarding (10:55)
7. Primrose (13:38)
8. Pitch Black - Sneaking (16:19)
9. Pitch Black - Discovery (18:14)
10. Dynasty (19:11)
11. Inferno - Descending (22:05)
12. Inferno - Going Up (25:21)
13. Central White (26:08)
14. Metal Valley - Evade (29:06)
15. Metal Valley - Overheat (32:09)
16. Booster Forest (35:19)
17. Booster Forest - Ride Armor "Cyclops" (37:14)
18. VS Boss Demo (39:17)
19. VS Boss (40:02)
20. Angry Boss (42:59)
21. Jakob (43:40)
22. VS Vile (47:00)
23. Gateway (48:42)
24. Gateway - Escape (50:23)
25. VS Copy Sigma (51:37)
26. Sigma Palace (53:56)
27. VS Sigma Demo (56:00)
28. VS Sigma (56:36)
29. VS Lumine - The First Form (58:46)
30. VS Lumine Demo (1:00:44)
31. VS Lumine - The Second Form (1:01:32)
32. Paradise Lost (1:04:21)
33. Intermission (1:04:58)
34. Dr. Light's Capsule (1:06:34)
35. Title (1:07:02)
36. Hunter Base - Going to the Front (1:07:32)
37. Hunter Base - Doubt (1:08:34)
38. Hunter Base - Wickedness (1:09:45)
39. Stage Start (1:11:16)
40. Stage Clear (1:11:28)
41. Weapon Get! (1:11:38)
42. Result (1:11:51)
43. Menu (1:12:27)
44. Save & Load (1:12:55)
45. Option (1:13:23)
46. Demo - Deepening Mystery (1:13:52)
47. Demo - Sorrow (1:14:31)
48. Demo - Perplexity (1:15:03)
49. Demo - Advancement (1:15:39)
50. Demo - With the Hunter Base (1:16:26)
51. Ending (1:16:56)