Vietmahl is the fourth and final invasion site in Big Willy Unleashed.
Vietmahl is tropical and is a war zone. Kluckin makes a deal with the Komeer Biege Army to clear all the battlefield dead, which he wants for meat to use in his restaurant. Vietmahl is also the deathplace of Colonel Kluckin, and where Crypto meets with his son whom he had abandoned at birth for uncleared reasons to him.
Kluckin's Temple Base
No Man's land
Hung Long Village
F' Rhan Shrine
Komeer Biege Base
- Vietmahl is a parody of Indochina and the Second Indochina War, more specifically, Vietnam and its aspect of the war.