| # | SP/EP Title | Release Date | Label | UK | USA |
| 1. | Sadeness Part I / Sadeness Part I (Mediterranean mix) | 08.12.1990 | Virgin | 1 | 5 |
| 2. | Mea Culpa pt. 2 / Mea Culpa (Part II) (Catholic mix) | 2/1991 | Virgin | 55 | |
| 3. | Principles Of Lust / Sadeness Part 2 (Radio mix) | 7/1991 | Virgin | 59 | |
| 4. | The Rivers Of Belief / Knocking On Forbidden Doors | 11/1991 | Virgin | 68 | |
| 5. | Return To Innocence | 06.12.1993 | Virgin | 3 | 4 |
| 6. | The Eyes Of Truth / Sadeness Part I / Mea Culpa Part II / Principles Of Lust | 02.05.1994 | Virgin | 13 | |
| 7. | Age Of Loneliness (Carly's Song) / Age Of Loneliness (Jam & Spoon mix) CD + Return To Innocence (mix) / Sadeness Part 1 (mix) /Principles Of Lust (Everlasting Lust) | 08.08.1994 | Virgin | | |
| 8. | Out From The Deep | 05.12.1994 | Virgin | | |
| 9. | III - Beyond The Invisible | 21.10.1996 | Virgin | 26 | 81 |
| 10. | TNT For The Brain | 17.02.1997 | Virgin | 60 | |
| 11. | Gravity Of Love
(Peter Ries / TAAW, W Filz remixes & edit) | 22.11.1999 | Virgin | | |
| 12. | Push The Limits (ATB remix) | 03.04.2000 | Virgin | | |
| 13. | Turn Around | 9/2001 | | | |
| 14. | Following The Sun | 11/2003 | | | |
| 15. | Boum Boum (Chicane club version) | 29.03.2004 | Virgin | | |
| | Boum Boum (Wally Lopez remixes) | 13.09.2004 | Virgin | | |
| 16. | Hello And Welcome | 3/2006 | | | |
| 17. | Goodbye Milky Way | 9/2006 | | | |
| 18. | Puzzle Project
(Man On Fire / Schmoov)
& Glenn Underground | 06.11.2006 | Eargasmic | | |
| 19. | Into Your Eyes / What You Got For Me / Make Ya Move / Stand By You
& High Voltage | 05.02.2007 | E-ffective | | |
| 20. | La puerta del cielo / Seven Lies | 8/2008 | | | |
| 21. | Summer Classics EP
(Use It Up And Wear It Out (Original Radio Version) / Vacation Escape / La Chica / Double Dutch Buss / Viva Espana, Hastla La Vista, Una Paloma Blanca)
& Odessey & Funky Ninja & Love Gang & Frankie Smith | 08.05.2009 | Dance Factory | | |
| 22. | Enigma EP
(Last Night A DJ Saved My Life / Freakin' (organ special) / Freakin' (bassline house remix) / Freakin' (4x4 remix)) | 10.06.2009 | Ecko | | |
| 23. | Gammer Presents: The Im Sorry These Songs Took So Long To Get Out EP
(Cube Negative / JB-C / Rampant / Fuck The Rails)
& The Amda & Gammer & VIP & Wonkey Donkey Kong | 07.07.2009 | Muffin | | |
| 24. | Following the Sun / Voyageur | 29.07.2016 | Polydor | | |
| 25. | Sadeness (Part II) (The Remixes) | 21.10.2016 | Island | | |
| 26. | Amen | 18.11.2016 | Decca | | |
