Once in a while, a movie comes along that perfectly encapsulates the feeling of the time. Not only does "Sisu" bring back railing against Nazis, but its dark sense of humor is appealing. Reviews on Rotten Tomatoes are almost unanimous in celebrating the no holds barred action film as Aatami eviscerates his foes one after another.

"One of those unheralded films that comes seemingly out of nowhere to grab the adventurous movie-goer by the throat," Reelviews wrote. This is a sentiment that was largely shared across the board by critics. "Sisu" takes advantage of the visual medium in a way that one can only admire.

"If watching mass-murdering maniacs get absolutely destroyed on-screen is your thing — and it very much is mine — then 'Sisu' is a perfectly depraved night out," The Globe and Mail said in their review. 

The filmmaker is likely to agree with that statement. Jalmari Helander has the perfect recipe for the best action film, and that includes plenty of explosions and good villains.

"I think Nazis are the best villains you can have in a movie," Helander said with LRM Online, "because you can do what you want to do with them. No one cares, basically. No one feels sympathy for the Nazis." Helander is right, as many critics, like David Harris of Spectrum Culture, enjoyed the bloody spectacle. 

"Let's face it," Harris wrote. "We love to see Nazis killed, and that is why 'Sisu' is such a blast."