Surly Brewing Havoc Machine is an American IPA by style. Cry havoc and let slip the hops of war! Get caught up in the gears of this bitter and clean West Coast-style IPA. The classically dank and and citrus-heavy hit of Cascade, Chinook, and Amarillo hops conjure a chaos of flavor, delivered with brutal and devastating efficiency. This American IPA is 7.5% ABV. In this craft beer review, we will take a look at the color, smell, and taste.