| 2000 | Renegades / Past for the Future (remix) | Kevin Energy & K Complex / Neuron | 1 |
| 2001 | Cascading Minds / Bass Oddity | Cynista & Safe 'N' Sound / Super Dragon X, Persuasion & K.Komplex | 1 |
| 2002 | Turn Up the Heat / Stygian Shadows | Sharkey, Energy & K Complex / Safe n' Sound & DJ Extreme | 1 |
| 2002 | Indestructible / The Bell | K Complex / DJ Slam | 1 |
| 2002 | Power / Battle Star | The Preacher & Jon Paul / K. Komplex | 1 |
| 2002 | The Baptism / Andromeda | K Complex | 1 |
| 2003 | Visions of Infinity (Sharkey & Kevin Energy remix) / Wanna Be | DJ Just Rich, Sharkey, K Complex & Kevin Energy / Kevin Energy & Just Rich | 1 |
| 2003 | Lost in Beats / Hardcore Frenzie | Two's Company feat. K Complex | 1 |
| 2003 | A World Of Illusion / Ready The Rhythm | Andy Vinal, Devotion and K Complex / Elixir | 1 |
| 2003 | Frenetic / Desire | Mark Ashley And K Complex | 1 |
| 2003 | Mad as Hell / Digital Science | Cynista & K Complex / AMS | 1 |
| 2004 | Move Me / Something More Radical | Brad Thatcher & K Complex | 1 |
| 2004 | Atomic Orbital / Loosing Control (Freeform Edit) | Mark Ashley And K Complex / Matt Style And Andy Vinal | 1 |
| 2005 | Fly With the Beat | K Complex & Yoshi | 1 |
| 2005 | Something in Me / Let Ya Body Go | K Complex / Matt Style / Smyrky | 1 |
| 2005 | Now's the Fucking Time / What Has Become of Me | J.P Reacher & K Complex / L.O.S.T. | 1 |
| 2005 | Echelon / Time and Space | K Complex & AMS / Kevin Energy & Sol Ray | 1 |
| 2005 | Thumpin Pumpin / My World | Kevin Energy / K Complex / J.P Reacher | 1 |
| 2005 | Frozen Like Ice (Samba D remix) | K Complex & Scarlet Belle | 1 |
| 2005 | Hardcore Thrust / Perverted Science | Spiffeh / Skampy & Mayhem feat. K Complex | 1 |
| 2006 | The Earth Is Dying | K-Complex | 1 |
| 2006 | Give in to the Motion / Rhythm | Petruccio, Rampant & K Complex | 1 |
| 2006 | Higher | K Complex | 1 |
| 2006 | Suck My Rock / That's the Hardcore (A.M.S remix) | Kevin Energy & K Complex / Kevin Energy & Marc Smith | 1 |
| 2006 | Death Incarnate | Absolute vs. K Complex | 1 |
| 2006 | Wanna Play a Game | Absolute vs. K Complex | 1 |
| 2006 | Get Down With Me! | K-Complex & Elvis | 1 |
| 2007 | Judgement Day | Xero & K-Complex | 1 |
| 2007 | Insane Courage | Douglas & K-Complex | 1 |
| 2007 | Suck My Rock (Ethos & Stormtrooper remix) / Loosing Hardcore | Kevin Energy & K Complex / Rampant & Dizzyvibe | 1 |
| 2007 | Supersticious / Hands Up | Phil York & Greg Brookman / Kevin Energy & K Complex | 1 |
| 2007 | The Reptile | Mr-B & K Complex | 1 |
| 2007 | Stimulants / Tribal Resistance | Kevin Energy, Greg Brookman & K Complex | 1 |
| 2007 | Franchino | Douglas & Voycey & K-Complex | 1 |
| 2007 | Rock God | Douglas & K-Complex | 1 |
| 2008 | Complete Freedom / The World Is Strange | Mr B vs K Complex | 1 |
| 2008 | Gecko / The Retreat | ADT & K Complex | 1 |
| 2008 | Hed Musik | Audio Freak vs. K Complex | 1 |
| 2010 | Imitation Of Life | Mark Ashley & K-Complex | 1 |
| 2021 | 21st Century Human | K-Complex & Eryk Orpheus | 1 |
| 2021 | Universal Reality | K-Complex & Eryk Orpheus | 1 |
