Never Split Up the Posse

From Introduction: The town of Marvel has been torn to shreds by an all-consuming war between two rich but ruthless families. Thinking that decent citizens have hired them, our heroes are hired by one family to help them dispose of the outlaws that are threatening their businesses. Problem is, the same thing happened to a bunch of their friends, and they’re hired by the opposition! This one gives little time for plannin', but has plenty of blastin' and backstabbin'!