ComicAmerzone is based on a graphic novel by Benoît Sokal L'Amerzone. Published in France in 1993 by Casterman, it is part of the Inspecteur Canardo series started back in 1978. Canardo is Sokal's best known character. In Canardo, most of the characters are animals (Canardo himself is "somewhere between Philip Marlowe and Donald Duck") but the universe is much like a dystopian Disney: very dark, filled with melancholy and disillusion.
The original comic book tells the adventure of the P.I. Canardo, hired by Valembois' family to find the old explorer, who was missing since he went to Amerzone on a last expedition. Valembois hopes to find the legendary White Birds before he dies...
The game differs a lot from the graphic novel, which is more dark and violent, but the background universe and the country of Amerzone itself are very similar.