From the publisher:
This is a serious, violent, story based roleplaying game with strong language (and tough talking) and general Baddassery. Definitely for adults.
From the main/player's book introduction:
Things You'll Be Needing
A poker table (& some chairs)
A shot glass for each player
A bottle of 190-proof grain alcohol
A flask full of gasoline
A pile of bullets
A box of matches
Play involves drinking and flicking or tossing bullets. The introductory adventure offers some suggestions about how to adapt the game for players who prefer less danger.