Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | The Difference Engine: I. The Cogwheel Brain | Graham Reynolds, Leah Zeger & Jonathan Dexter | 1:09 |
| 2 | The Difference Engine: II. Ada | Jonathan Dexter, Graham Reynolds & Leah Zeger | 4:51 |
| 3 | The Difference Engine: III. Cam Stack and Crank Handle | Graham Reynolds, Leah Zeger & Jonathan Dexter | 5:01 |
| 4 | The Difference Engine: IV. Late at Night - The Astronomer | Jonathan Dexter, Graham Reynolds & Leah Zeger | 6:07 |
| 5 | The Difference Engine: V. The Difference Engine | Graham Reynolds, Leah Zeger & Jonathan Dexter | 4:18 |
| 6 | The Cogwheel Brain (Octopus Project remix) | Leah Zeger, Jonathan Dexter & Graham Reynolds | 4:36 |
| 7 | Cam Stack and Crank Handle (Graham Reynolds remix) | Graham Reynolds, Leah Zeger & Jonathan Dexter | 5:06 |
| 8 | The Astronomer (Adrian Quesada remix) | Leah Zeger, Jonathan Dexter & Graham Reynolds | 3:46 |
| 9 | The Difference Engine (Peter Stopschinski remix) | Leah Zeger, Jonathan Dexter & Graham Reynolds | 3:05 |
| 10 | Ada (DJ Spooky remix) | Leah Zeger, Jonathan Dexter & Graham Reynolds | 3:46 |
Source: MusicBrainz release group e3b773b3-18bc-4d42-b8b2-6626991d1f9a (CC0). Cover: Cover Art Archive.