Alphabetical
- 20.000 Miles Over The Sea
- Age of Loneliness
- Age Of Loneliness (Carly's Song)
- Age of Loneliness (Enigmatic club Mix)
- Age of Loneliness (Jam & Spoon Remix)
- Almost Full Moon
- Back To The Rivers Of Belief. A: Way To Eternity
- Back To The Rivers Of Belief. B: Hallelujah
- Back To The Rivers Of Belief. C: The Rivers Of Belief
- Back to the Rivers of Belief: Hallelujah
- Back to the Rivers of Belief: The Rivers of Belief
- Back to the Rivers of Belief: Way to Eternity
- Between Generations
- Between Mind & Heart
- Beyond the Invisible
- Boum-Boum
- Callas Went Away
- Camera Obscura
- Dancing With Mephisto
- Deja Vu
- Distorted Love
- Downtown Silence
- Dreaming Of Andromeda
- Encounters
- Endless Quest
- Eppur Si Muove
- Fata Morgana
- Feel Me Heaven
- Find Love
- Following the Sun
- From East to West
- Goodbye Milky Way
- Gravity of Love
- Gravity of Love (Judgement Day Club Mix)
- Hallelujah
- Hell's Heaven
- Hello And Welcome
- I Love You... I'll Kill You
- I Love You...I'Kill You
- In the Shadow, In the Light
- Incognito
- Invisible Love
- Je T'Aime Till My Dying Day
- Knocking on Forbidden Doors
- La Puerta Del Cielo
- Le Roi Est Mort, Vive Le Roi!
- Light of Your Smile
- Look of Today
- Mea Culpa
- Mea Culpa (Fading Shades Mix)
- Mea Culpa Part II (Fading Shades Mix)
- Mea Culpa Part II (Orthodox Mix)
- Mea Culpa, Part 2
- Mea Culpa, Part 2 (Fading Shades Mix)
- Mea Culpa, Part 2 (Orthodox Mix)
- Message From IO
- Modern Crusaders
- Morphing Thru Time
- Northern Lights
- Odyssey of the Mind
- Out from the Deep
- Out From the Deep (Rock Version)
- Out From the Deep (Trance Mix)
- Page of Cups
- Principles of Lust
- Principles of Lust (Everlasting Lust Mix)
- Principles of Lust (Omen Remix)
- Principles Of Lust. A: Sadeness
- Principles Of Lust. B: Find Love
- Principles Of Lust. C: Sadeness (Reprise)
- Principles of Lust: Find Love
- Principles of Lust: Sadeness
- Principles of Lust: Sadeness (Reprise)
- Prism of Life
- Push the Limits
- Push the Limits (ATB Radio Remix)
- Return to Innocence
- Return to Innocence (380 Midnight Mix)
- Return to Innocence (Long & Alive Version)
- Sadeness
- Sadeness (Reprise)
- Sadeness Part I (Extended Trance Mix)
- Sadeness Part I (Meditation Mix)
- Sadeness Part I (Violent U.S. Remix)
- Sadeness, Part 1 (Extended Trance Mix)
- Sadeness, Part 1 (Meditation Mix)
- Sadeness, Part 1 (Violent U.S. Remix)
- Sadness
- Second Chapter
- Seven Lives
- Shadows in Silence
- Silence Must Be Heard
- Silent Warrior
- Sitting On The Moon
- Smell of Desire
- Sunrise
- Superficial
- T.N.T. For the Brain
- T.N.T. for the Brain (Midnight Man Remix)
- The Alchemist
- The Child in Us
- The Cross of Changes
- The Dream of the Dolphin
- The Eyes of Truth
- The Eyes of Truth (The Götterdämmerung Mix / The Twilight of the Gods)
- The Gate
- The Language Of Sound
- The Language Of Sound (Slow Edit)
- The Piano
- The Rivers of Belief
- The Rivers of Belief (Radio Edit)
- The Roundabout
- The Same Parents
- The Screen Behind the Mirror
- The Voice & the Snake
- The Voice And The Snake
- The Voice of Enigma
- Third of Its Kind
- Total Eclipse of the Moon
- Touchness
- Traces (Light and Weight)
- Turn Around
- Turn Around (Northern Lights Club Mix)
- Turn Around (Radio Edit)
- Voyageur
- Way To Eternity
- We Are Nature
- Weightless
- Why!
