Titelliste
A1 – Riddle (Album Version)
A2 – Riddle (Radio Edit)
A3 – Riddle (Red Zone Remix)
A4 – Riddle (Red Zone Remix Instrumental)
B1 – Riddle (Extended Club Remix)
B2 – Riddle (Club Remix Instrumental)
B3 – Riddle (Album Version Instrumental)
B4 – Riddle (Album Version Acappella)
