Underground (Original Motion Picture Soundtrack)
AlbumTracklist 43:31
| 1 | Opening Titles | 1:44 | |
| 2 | Something To Fight For | 1:43 | |
| 3 | Mark v Leon | 5:38 | |
| 4 | Intermezzo | 5:04 | |
| 5 | Training Montage | 1:20 | |
| 6 | Tragedy | 1:17 | |
| 7 | The Weapons Fight | 5:52 | |
| 8 | Round Three | 4:14 | |
| 9 | Bo v Liang | 2:48 | |
| 10 | The Finalists | 2:20 | |
| 11 | The Cage Fight | 3:48 | |
| 12 | Last Man Standing | 1:05 | |
| 13 | Epilogue | 2:26 | |
| 14 | End Titles | 4:12 |