| # | SP/EP Title | Release Date | Label | UK | USA |
| 1. | Happy Roughneck EP | 24.06.1996 | Screwdriver | | |
| 2. | Merlin's Funfair | 29.07.1996 | Techno Tunes | | |
| 3. | Get Hard / The Ark
& Jason B | 28.10.1996 | Techno Tunes | | |
| 4. | Essential Tracks EP
& Jason B | 18.11.1996 | Evolution Gold | | |
| 5. | Rock The Dancefloor | 10.03.1997 | Punisher | | |
| 6. | Bodysuckers EP | 31.03.1997 | Twisted Vinyl | | |
| 7. | Octave Kitten / Sequential | 27.04.1998 | Uprising Trance | | |
| 8. | Rhythm's On Time (Scott Brown remix) / Bust The New Jam
& Scott Brown | 17.08.1998 | Twisted Vinyl | | |
| 9. | Who Got The Hardcore / Switzerland
& MC Cyclone | 12.10.1998 | Punisher | | |
| 10. | Questions Must Be Asked / Safe | 21.02.2000 | Eve | | |
| | Questions Must Be Asked | 15.01.2001 | Front | 57 | |
| | Questions Must Be Asked | 12.08.2002 | Vandit | | |
| 11. | Answers | 10.03.2003 | Red Monkey | | |
| 12. | Simpatico | 15.09.2003 | Red Monkey | | |
| 13. | Quadra / Inside Out
& Mallorca Lee | 05.04.2004 | Red Monkey | | |
| 14. | Close Your Eyes
& Mallorca Lee | 22.05.2006 | Monster Hard | | |
| 15. | Better World / Jacksville | 03.07.2006 | 68 | | |
| 16. | 92 Elements
& Mallorca Lee | 30.10.2006 | Fenelogy | | |
| 17. | Super Imposed | 29.01.2007 | Silicon | | |
| 18. | Safety / Elektro Killa | 26.03.2007 | 68 | | |
| 19. | Move Me / Heavan's Tears / Close Your Eyes
& Mallorca Lee & Lowell Hales & Brisky & Coleman | 16.04.2007 | Monster Tunes Sample Series | | |
| 20. | Live Without You EP
(Space Funk / Live Without You / Xylem) | 21.05.2007 | Combined Forces | | |
| 21. | Electrokiller / Safety | 28.05.2007 | 68 | | |
| 22. | Covert / Escape / Covert (Complication) | 13.08.2007 | Fraction | | |
| 23. | The Kracken
meets Dr Willis | 11.02.2008 | Detox | | |
| 24. | Argile Street / Musik / Vital
& Roket | 11.02.2008 | Friction | | |
| 25. | Harpoon | 20.10.2008 | Fraction | | |
| 26. | The Collected Original Mixes Vol 1: Sampler Disc 2
(Convert / Escape / Wavelength / Blindside / With Me)
& Paul Webster & JPW & Matt Cerf & Eric Meza & Jaren | 20.10.2008 | Fraction Zero | | |
| 27. | Foldback | 27.04.2009 | Fraction | | |
| 28. | Because Of You
feat Antonia Lucas | 27.04.2009 | S107 | | |
| 29. | The Act Of Fear
meets William Daniel | 29.04.2009 | Reset | | |
| 30. | E Motion / Illuminatus
& William Daniel | 25.05.2009 | Armada Music | | |
| 31. | Fantasize / Ultra Disco / Moniter
& Moonbeam & Tyler Michaud & Esmaye & Radion 6 | 27.07.2009 | Oxygen | | |
| 32. | Devils Theory
meets William Daniel | 10.02.2010 | Tetsuo Music | | |
