| # | Title | Length |
|---|
| A1 | Death Trap | 3:51 |
| A2 | Jack of Shadows | 3:28 |
| A3 | Uncle Sams on Mars- bass guitar:
- Adrian Shaw
- drums (drum set):
- Simon King
- guitar:
- Dave Brock
- keyboard:
- Dave Brock and Simon House
- violin:
- Simon House
- vocals:
- Robert Calvert
- recorded at:
- Rockfield Studios in Monmouth, Monmouthshire, Wales, United Kingdom (in 1977-02) and Hammersmith Odean in Hammersmith, Hammersmith and Fulham, London, England, United Kingdom (on 1977-10-05)
- mixed at:
- Rockfield Studios in Monmouth, Monmouthshire, Wales, United Kingdom (in 1978-02)
- live recording of:
- Uncle Sam’s on Mars (on 1977-10-05)
- writer:
- Dave Brock, Robert Calvert, Simon House and Simon King
| 5:45 |
| A4 | Infinity | 4:17 |
| A5 | Life Form | 1:44 |
| B1 | Robot | 8:15 |
| B2 | High Rise | 4:41 |
| B3 | P.X.R.5 | 5:17 |
