The .hack//Extra Soundtrack was originally released in North America with the fourth .hack//SIGN Limited Edition DVD. It has tracks from both .hack//SIGN and .hack//Liminality. It is composed mostly of the underused tracks as well as different versions of the more popular tracks from SIGN.
Tracks
| Track | Title | Time |
|---|---|---|
| 1 | Obsession (str. ver.) | 5:54 |
| 2 | Warp | 3:32 |
| 3 | Fake Wings (bitter sweet ver.) | 1:50 |
| 4 | Rain and Storm | 3:01 |
| 5 | Aura (evil ver.) | 2:11 |
| 6 | Morganna | 4:18 |
| 7 | Deep Despair | 1:55 |
| 8 | Suspense & Mystery | 2:09 |
| 9 | Fake Wings (make decision ver.) | 3:25 |
| 10 | Who am I? | 2:51 |
| 11 | Digital Monsters | 2:44 |
| 12 | Aura (awakening ver.) | 2:21 |
| 13 | Morganna (tolerance ver.) | 2:32 |
| 14 | Distrust | 2:08 |
| 15 | The World (extra ver.) | 5:24 |
| 16 | Attack 07 | 0:11 |
| 17 | edge (instr.ver.) | 2:25 |
| 18 | Bridge 01 | 0:48 |
| 19 | Bridge 02 | 0:48 |
| 20 | Bridge 03 | 0:35 |
| 21 | Bridge 04 | 0:59 |
| 22 | Bridge 05 | 0:52 |
| 23 | Bridge 06 | 0:40 |
Lyrics
Trivia
- Yuki Kajiura was not asked to do a theme for Sora. She says that a "short funny piece" she wrote as a joke (Track 22, Bridge 05), was used as his theme.