| Title | Format | Catalogue ref. | |
| 24th October 1983 | |||
| Relax | ![]() |
7inch vinyl | ZTAS1 |
| Relax | ![]() |
7inch vinyl | ZTAS1DJ |
| Relax | ![]() |
7inch picture disc vinyl | PZTAS1 |
| Relax (16 minute sex mix) | ![]() |
12inch vinyl | 12ZTAS1 |
| Relax (8 minute sex mix) | ![]() |
12inch vinyl | 12ZTAS1 |
| Relax (US version) | ![]() |
12inch vinyl | 12ZTAS1 |
| Relax (US version) | ![]() |
12inch picture disc vinyl | 12PZTAS1 |
| Relax | ![]() |
Cassette single | CTIS102 |
| Relax (US version) | ![]() |
12inch vinyl | 601096 |
| Relax | ![]() |
7inch vinyl | 7-99805 |
| Relax (US version) | ![]() |
12inch vinyl | 0-96975 |
| 1984 | |||
| Relax | ![]() |
Cassette single | ISC69750 |
| 1988 | |||
| Relax (US version) | ![]() |
Compact disc single | P15D-37007 |
| 20th September 1993 | |||
| Relax | ![]() |
7inch vinyl | FGTH1 |
| Relax | ![]() |
12inch vinyl | FGTH1T |
| Relax | ![]() |
12inch vinyl x2 | SAM1231 |
| Relax | ![]() |
Cassette single | FGTH1C |
| Relax | ![]() |
Compact disc single | FGTH1CD |
| 2001 | |||
| Relax | ![]() |
Compact disc single | REP8027 |
| September 2009 | |||
| Relax (The remixes) | ![]() |
Compact disc single | n/a |