Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | The Riddle (Video Mix) | Gigi D’Agostino | 3:24 |
| 2 | The Riddle (Single Cut) | Gigi D’Agostino | 3:20 |
| 3 | The Riddle (Original Mix) | Gigi D’Agostino | 4:43 |
| 4 | The Riddle (Original Longer Mix) | Gigi D’Agostino | 6:11 |
Source: MusicBrainz release group ef965b0e-0ea2-33a6-9b7d-1a406029fe19 (CC0). Cover: Cover Art Archive.