| A1 | Astroblaster | 5:27 | ||
| A2 | On The Romance Tip | 5:04 | ||
| B1 | Joyrex J5 | 6:54 | ||
| B2 | Untitled (R2-D2) | 3:42 |
℗© 1992.
Originally released on pearl white vinyl with white label and silver writing and highlights.
The black copy has a white label with red writing and highlights.
| Title, Format | Label | Cat# | Country | Year | ||
|---|---|---|---|---|---|---|
| Joyrex J5 EP (12", EP, Whi) | Rephlex | CAT 005 | UK | 1992 | ||
| Joyrex J5 EP (12", Promo, W/Lbl, EP) | Rephlex | CAT 005 | UK | 1992 |