| ID | Interpret | Skladba | Album | |
| 31. | Akihiro Honda | Locomotive Motion | Metal Gear Acid & Acid2 Original Soundtrack |  |
| 32. | Hiroshi Tanabe | Track Tracking | Metal Gear Acid & Acid2 Original Soundtrack | |
| 33. | Akihiro Honda & Kazuma Jinnouchi | Town | Metal Gear Solid Portable Ops Original Soundtrack | |
| 34. | Yoshitaka Suzuki | Null | Metal Gear Solid Portable Ops Original Soundtrack | |
| 35. | Yoshitaka Suzuki | Airport | Metal Gear Solid Portable Ops Original Soundtrack | |
| 36. | Yoshitaka Suzuki | Rescue Effort | Metal Gear Solid Portable Ops Original Soundtrack | |
| 37. | Hiroshi Tanabe | Opening Title | Metal Gear Acid & Acid2 Original Soundtrack | |
| 38. | Hiroshi Tanabe | Back-to-Back | Metal Gear Acid & Acid2 Original Soundtrack | |
| 39. | Akihiro Honda | Test Subjects Duality | Metal Gear Acid & Acid2 Original Soundtrack | |
| 40. | Akihiro Honda | StrateLogic Inc. | Metal Gear Acid & Acid2 Original Soundtrack | |
| 41. | Hiroshi Tanabe | Opening Title -Remix- | Metal Gear Acid & Acid2 Original Soundtrack | |
| 42. | Hiroshi Tanabe | Security Unit | Metal Gear Acid & Acid2 Original Soundtrack | |
| 43. | Hiroshi Tanabe | Research Block | Metal Gear Acid & Acid2 Original Soundtrack | |
| 44. | Akihiro Honda | [Question Marks] | Metal Gear Acid & Acid2 Original Soundtrack | |
| 45. | Akihiro Honda | Metal Gear Prototype Factory | Metal Gear Acid & Acid2 Original Soundtrack | |
| 46. | Yoshitaka Suzuki | Intermission | Metal Gear Solid Portable Ops Original Soundtrack | |
| 47. | Yoshitaka Suzuki | Evasion | Metal Gear Solid Portable Ops Original Soundtrack | |
| 48. | Yoshitaka Suzuki | Null's Revenge | Metal Gear Solid Portable Ops Original Soundtrack | |
| 49. | Akihiro Honda & Takahiro Izutani | Silo | Metal Gear Solid Portable Ops Original Soundtrack | |
| 50. | Akihiro Honda & Kazuma Jinnouchi | Show Time | Metal Gear Solid Portable Ops Original Soundtrack | |
| 51. | Akihiro Honda | Like a Flood | Metal Gear Acid & Acid2 Original Soundtrack | |
| 52. | Akihiro Honda | Control Section | Metal Gear Acid & Acid2 Original Soundtrack | |
| 53. | Akihiro Honda | Residential Area | Metal Gear Acid & Acid2 Original Soundtrack | |
| 54. | Akihiro Honda | Seeking Takiyama | Metal Gear Acid & Acid2 Original Soundtrack | |
| 55. | Akihiro Honda | Test Subject Burns | Metal Gear Acid & Acid2 Original Soundtrack | |
| 56. | Akihiro Honda | Memories | Metal Gear Acid & Acid2 Original Soundtrack | |
| 57. | Akihiro Honda | Lucy & Chaioth Ha Qadesh | Metal Gear Acid & Acid2 Original Soundtrack | |
| 58. | Harry Gregson-Williams | METAL GEAR SOLID | METAL GEAR SOLID 3 SNAKE EATER ORIGINAL SOUNDTRACK |  |
| 59. | Harry Gregson-Williams | Metal Gear Saga | Metal Gear Solid 4: Guns of the Patriots Original Soundtrack | |
| 60. | Harry Gregson-Williams | Metal Gear Saga | Metal Gear Solid 4: Guns of the Patriots Original Soundtrack | |
