"A wickedly funny romp with ugly Americans and freaky Swedes in the woods, a premium cut of one of my favorite subgenres (daytime horror), and just so confidently made," wrote The Atlantic's David Sims.
"I loved every second of this nearly 3 hour movie. Holy S****," wrote Slash Film's Chris Evangelista. "Yeah, it's disturbing. But it's also surprisingly hilarious. An absolutely crowd pleaser. Long live @AriAster."
"MIDSOMMAR will do for Swedish pagan solstice rituals what Psycho did for showers," wrote IndieWire critic David Ehrlich. "In a psychedelic fairy tale about ridding oneself of fear and pain — absolutely delightful from its nightmare of an opening to its floral purge of a finale."
Critics noted that the film is markedly different from the dark, gloomy Hereditary, taking an entirely different tone.
"Ari Aster takes the very idea of a sophomore slump and sets it ablaze," added Sims.
"I was super nervous going into #MIDSOMMAR because of my deep love for Hereditary, but holy s*** you guys, @MidsommarMovie is a masterpiece," wrote Nightmarish Conjurings' Shannon McGrew.
"It's a natural extension of the grim cinematic universe that spawned Hereditary," said Eric Kohn from IndieWire.
"Whereas Hereditary faced (unfounded) complaints about its third act feeling disjointed, Midsommar won't be plagued by such criticisms," wrote Consequence of Sound's Trace Thurman.
Midsommar is released in New Zealand cinemas on August 8.