What is "satasupe"

is a Japanese crime action role-playing game. The title "SATASUPE" is derived from the English words " Saturday night special". It is also known as an Asian Punk RPG. The setting is similar to Japanese movie Swallowtail Butterfly. Player characters are called and they adventure in fictitious setting Osaka is an indecent city occupied by foreign Great Powers.

Game mechanics are based entirely around six-sided dice.

The current edition was published in December 2008. It is the second commercial edition, the early editions are dōjin works. Several expansions also exist.