- 80-page hardcover art book.
- Soundtrack CD with 25 songs.
- Smooth Operator DLC pack which includes: Gigolo Glasses, Alternate costumes for Vivienne and Mika, Gigolo mission with Betty, and Additional Episode with the vampiric Sebastion.
The story of Killer is Dead revolves around Mondo Zappa, an executioner for an assassination firm charged with killing bad people the world over. Zappa swings a sword with his right arm while his left, a full cybernetic replacement, can form various other weapons such as a drill or gun.