Codename Purple Blood is a mod for registered Wolfenstein, made by Born4Battle. It was the author's second and last mod. It was released on June 23, 2006.
The mod features 4 levels in an EXE based on registered Wolfenstein. Changes to the code includes increased ammo and new ceiling colors.
Thematically it is inspired by original Wolfenstein's Episode 2, carrying an atmosphere of mutants and laboratories.