The film is shot with handheld cameras in the standard mockumentary style, but the content is often hilarious, especially when the trolls show up.
Michael Wilmington, Chicago Reader, 2011-12-13
Given that the cast improvised all the scenes live on set, the dialogue has a surprising ring of truth, and is shot through with an unexpected, often unsettling, humour.
Nigel Floyd, Time Out, 2011-09-07
It's so steeped in troll and paranoia lore, it risks boring you with the details at times. But it also makes you more inclined to believe it, and the frights are real enough.
Peter Howell, Toronto Star, 2011-08-19
Those fog-draped fjords provide a distractingly pretty backdrop to this tale of mysterious, massive creatures who roam the forest by night, searching for Christians on whom to munch.
Moira MacDonald, Seattle Times, 2011-07-07
"Trollhunter" has a lot of down time as the crew treks to the fjords, but it's also got dryly subversive humor and, eventually, some impressive special effects.
Joe Williams, St. Louis Post-Dispatch, 2011-07-01
With impressive technical credits, stunning fjord and forest locations and a winking ownership of its own absurdity, "Trollhunter" manages to be at once spooky, satirical and endearing.
Colin Covert, Minneapolis Star Tribune, 2011-06-30
Andre Ovredal's enjoyably goofy scare-pic purports to offer real footage of real horror - in this case, a variety of forest and mountain trolls...
Steven Rea, Philadelphia Inquirer, 2011-06-30
Once again, material for a great short film has been expanded to feature length at its peril and ours. Still, this is clever stuff and surprisingly engrossing on its own terms.
Ty Burr, Boston Globe, 2011-06-30
A monster movie with a love for mountainous, tree-lined Scandinavian scenery and an even greater love for setting memorably ugly, hulking and destructive mythological creatures against it.
Robert Abele, Los Angeles Times, 2011-06-24
Successful on multiple levels, with a brisk pace, excellent location work and a strong lead performance by Norwegian comedian Otto Jespersen.
Peter Hartlaub, San Francisco Chronicle, 2011-06-16
A drily comic blend of irresistible ingredients that gets better as it goes along.
Andrew O'Hehir, Salon.com, 2011-06-12
You'll want to catch this clever movie before Hollywood ruins everything with a dumb remake.
V.A. Musetto, New York Post, 2011-06-10
One of the many pleasures of the Norwegian director Andre Ovredal's clever and engaging mock documentary "Trollhunter" is the way it plays with the idea of the supernatural rule book.
Mike Hale, New York Times, 2011-06-09
As the stoic titular slayer, Otto Jespersen is the one actor who holds you.
Owen Gleiberman, Entertainment Weekly, 2011-06-08
It can't seem to make up its mind about whether it wants to frighten us or make us laugh. It does a little bit of both, to be sure, but not nearly enough of either to make much of a lasting impression.
Michael O'Sullivan, Washington Post, 2011-07-01
They spend a great deal of time roaring, bleating, squealing and snorting at a very high volume, which is, after a point, too much of a muchness.
Roger Ebert, Chicago Sun-Times, 2011-06-23
This is what happens when the Norwegians try to make their own "Blair Witch Project": We get three-headed trolls that hate Vitamin D and references to "Deliverance."
Joe Neumaier, New York Daily News, 2011-06-10
Genially simpleminded and more sweet than scary, Trollhunter never settles on a tone. Fairytale fantasy, supernatural comedy, serious horror? All are sampled, to the detriment of the whole.
Jeannette Catsoulis, NPR, 2011-06-09
Here's what's not so good in Troll Hunter: the actual troll hunting.
Noel Murray, AV Club, 2011-06-09
Like the folks who dreamed up lycanthropy, the Trollhunter writers either have an abundance of imagination or they've been smoking a controlled substance.
Rex Reed, New York Observer, 2011-06-08