K90 is K90's debut album, released on Aquarius Records (Aqua5CD) in 1998.
The CD features 9 tracks. All 9 tracks are exclusive to this release, appearing on no other.
- 01K90 — Sabre Tooth (Discovery Mix)
- 02K90 — Genesis (Teraform Mix)
- 03K90 — Colours (Euro-Trance Mix)
- 04K90 — Aftershock (Devastation Mix)
- 05K90 — Fusion (Re-Entry Mix)
- 06K90 — Overflow (Regeneration Mix)
- 07K90 — Feel The Pressure (Acid Overflow Mix)
- 08K90 — Phantasm (Are U Ready 2 Fly)
- 09K90 — Energia Cinetica (Dolphin Mix)
