20 movies like Mega Piranha, ordered by similarity : Hereditary(2018), Transference: Escape the Dark(2020), The Descent(2005), The Fog(1980), Joy Ride 3: Roadkill(2014), High Season for Spies(1966), Here Comes the Devil(2012), Harbinger Down(2015), Retribution(2015), Barely Lethal(2015), Peeping Tom(1960), A Quiet Place(2018) ...
Mystery & Thriller, Sci-Fi, Horror
2010
90 Minutes
Tiffany Paul Logan Barry Williams David Labiosa Jude Gerard Prest Jesse Daly Cooper Harris William Morse
fish special agent jason gory florida river secret light darkness pursuit
A mutated strain of giant and ferocious Amazonian piranha escape from the jungle rivers and eat their way toward Florida.
Horror, Mystery & Thriller
USA
2018
127 Minutes
Toni Collette Gabriel Byrne Alex Wolff Ann Dowd Milly Shapiro Mallory Bechtel Brock McKinney Christy Summerhays
art gallerist mother daughter son husband thrilling suspenseful gory frightening profound fascinating art gallery haunted house woods mysterious past legacy horror mysterious deaths family secrets darkness
A grieving family is haunted by tragic and disturbing occurrences.
Sci-Fi, Mystery & Thriller
Canada
2020
88 Minutes
Jeremy Ninaber Ethan Mitchell Aaron Tomlin Marlo Milstone
twin secret agent superhuman teen creepy dark spectacular secret headquarters hideout government secrets superhuman abilities super powers escape escape pursuit transformation 2010s
Joshua must protect his twin-sister, Emma, who possesses supernatural abilities and keep her safe from an unstoppable secret agent hunting them for an experiment in a classified government program.
Horror, Mystery & Thriller
UK|France
2005
99 Minutes
Shauna Macdonald Natalie Mendoza Alex Reid Saskia Mulder Nora-Jane Noone MyAnna Buring Oliver Milburn Molly Kayll
widow daughter husband friend monster tense gory dark cave tragic death secret rafting creatures caves mystery escape pursuit 2000s
A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.
Horror, Mystery & Thriller
USA
1980
89 Minutes
Adrienne Barbeau Hal Holbrook Janet Leigh Jamie Lee Curtis John Houseman Tom Atkins Nancy Kyes Charles Cyphers Ty Mitchell George "Buck" Flower John Vick
radio host priest hitchhiker wife fisherman coroner chilling gory shocking frightening california coast lighthouse church house ghosts shipwreck secret past small-town life supernatural
An unearthly fog rolls into a small coastal town exactly 100 years after a ship mysteriously sank in its waters.
Horror, Mystery & Thriller
2014
96 Minutes
Kirsten Prout Dean Armstrong Benjamin Hollingsworth Jesse Hutch Ken Kirzinger Gianpaolo Venuta Leela Savasta J. Adam Brown Sara Mitich Jake Manley
driver truck driver race car driver enemy murderer bleak suspenseful thrilling gripping shocking brutal street highway race racing murder horror adventure pursuit rivalry
Rusty Nail encounters street racers on a desolate stretch of road, and he tortures and teases them until the end of the road.
Crime, Comedy, Action, Mystery & Thriller, Drama
Spain|Portugal|West Germany
1966
89 Minutes
Antonio Vilar Letícia Román Peter Van Eyck Américo Coimbra Mikaela Artur Semedo Klausjürgen Wussow Corny Collins Ricardo Rubinstein José Cardoso Ricardo Valle
professor inventor kidnapper gangster agent secret agent engaging gripping suspenseful thrilling intense lisbon, portugal kidnapping secret secret formula fighting dangerous mission adventure rivalry pursuit
A scientist discovers the formula of a particular resistant steel, and a spy ring from an enemy power sets after him to obtain it.
Mystery & Thriller, Horror
Mexico
2012
97 Minutes
Francisco Barreiro Laura Caro Alan Martinez David Arturo Cabezud Enrique Saint-Martin Michele Estrada Jessica Iris Dana Dorel Juan Carlos Arreguin Giancarlo Ruiz Barbara Perrin Rivemar
wife husband parent couple son daughter thrilling engaging suspenseful shocking dark intense cave mexico tijuana tijuana, mexico horror danger fear change
A married couple lose their children while on a family trip near some caves in Tijuana. The kids eventually reappear without explanation, but it becomes clear that they are not who they ... See full summary »
Mystery & Thriller, Sci-Fi, Horror
USA
2015
82 Minutes
Lance Henriksen Camille Balsamo Matt Winston Reid Collums Milla Bjorn Winston James Francis Mike Estime Edwin H. Bravo Giovonnie Samuels
student crew member monster mutant agent inuit chilling creepy dark frightening gripping intense bering sea boat alaska glacier mutilation experiments fear feud
While studying the effects of global warming on a pod of whales, grad students on a crabbing vessel and its crew uncover frozen Soviet space shuttle and unintentionally release a monstrous organism from it.
Mystery & Thriller
Spain
2015
95 Minutes
Luis Tosar Goya Toledo Javier Gutiérrez Pedro Alonso Fernando Cayo Elvira Mínguez Antonio Mourelos María Mera Ricardo de Barreiro Luis Zahera
banker father child blackmailer psychopath son suspenseful thrilling intense gory brooding car street city helicopter docks bank blackmail bomb police pursuit
Breakfast, kiss to his wife, take the children to the school, a bomb under the car, one neverending day ahead.
Comedy, Action
USA
2015
96 Minutes
Hailee Steinfeld Jessica Alba Samuel L. Jackson Sophie Turner Dove Cameron Thomas Mann Toby Sebastian Gabriel Basso Rachael Harris Dan Fogler Steve-O
agent spy adolescent adolescent girl hit man killer student love interest friend special agent cool heartwarming hilarious lighthearted quirky amusing united states school secret headquarters secret hideout
A teenage special ops agent coveting a "normal" adolescence fakes her own death and enrolls in a suburban high school. She quickly learns that surviving the treacherous waters of high school is more challenging than international espionage.
Horror, Mystery & Thriller
UK
1960
109 Minutes
Karl Boehm Moira Shearer Anna Massey Maxine Audley Esmond Knight Bartlett Mullins Shirley Anne Field Michael Goodliffe Brenda Bruce Martin Miller Pamela Green
murderer victim neighbor police officer psychiatrist photographer dark fascinating intense disturbing london film set hotel apartment voyeurism fear serial murders filmmaking secret research
A young man murders women, using a movie camera to film their dying expressions of terror.
Mystery & Thriller, Horror
USA
2018
90 Minutes
Emily Blunt John Krasinski Millicent Simmonds Noah Jupe Cade Woodward Leon Russom Rhoda Pell Evangelina Cavoli
man woman child monster alien son bleak dark eerie intense frightening farmhouse woods abandoned town house basement silo monsters survival a cappella
In a post-apocalyptic world, a family is forced to live in silence while hiding from monsters with ultra-sensitive hearing.
Mystery & Thriller, Action, Adventure
UK|USA|Turkey
2012
143 Minutes
Daniel Craig Judi Dench Javier Bardem Ralph Fiennes Naomie Harris Bérénice Marlohe Ben Whishaw Albert Finney Rory Kinnear Ola Rapace Helen McCrory
james bond secret agent terrorist commanding officer associate sexy woman spectacular intense witty united kingdom turkey china espionage secret identity terrorism government secrets pursuit adventure rescue 2010s
James Bond's loyalty to M is tested when her past comes back to haunt her. When MI6 comes under attack, 007 must track down and destroy the threat, no matter how personal the cost.
Horror, Mystery & Thriller, Action
Hong Kong|France|China
2008
89 Minutes
Gianna Allison Miller Liam Cunningham JJ Feild Koyuki Yasuaki Kurata Michael Byrne Colin Salmon Masiela Lusha Andrew Pleavin Larry Lamb
teen girl vampire sword fighter half-vampire daughter undercover agent thrilling dark gory high school infirmary halloween party bar army base japan demons vampire hunting dangerous mission shapeshifting secret identity
A vampire named Saya, who is part of covert government agency that hunts and destroys demons in a post-WWII Japan, is inserted in a military school to discover which one of her classmates is a demon in disguise.
Drama, Comedy, Horror, Mystery & Thriller, Fantasy
UK
2016
88 Minutes
Kate Dickie Gemma Whelan Alice Lowe Kayvan Novak Tom Davis Dan Renton Skinner Eileen Davies Mike Wozniak Tom Meeten Marc Bessant
pregnant woman serial killer midwife dj baby murder victim dark shocking amusing witty disturbing gory england pregnancy serial murders humor fear vengeance unexpected death discovery
Widow Ruth is seven months pregnant when, believing herself to be guided by her unborn baby, she embarks on a homicidal rampage, dispatching anyone who stands in her way.
Mystery & Thriller, Sci-Fi
Canada|USA
2016
102 Minutes
Noomi Rapace Peter Stormare Kerry Bishé Michael Chiklis Ari Millen Lesley Manville Jean Yoon Percy Hynes-White Morgan Kelly Paul Popowich Jonathan Potts
alien woman abductee researcher abductor geneticist chilling creepy disturbing frightening gory intense secret location medical building united states genetic abnormalities genetic experiments secret society research alien
A single mom tries to break free from a mysterious organization that has abducted her.
Comedy, Mystery & Thriller
Canada|USA
2018
117 Minutes
Anna Kendrick Blake Lively Henry Golding Ian Ho Joshua Satine Andrew Rannells Kelly McCormack Aparna Nancherla Rupert Friend Bashir Salahuddin Jean Smart
widow son friend husband single mother missing person sultry tense intricate confident dark thrilling suburb house school kitchen river airplane missing persons mysterious past
Stephanie is a single mother with a parenting vlog who befriends Emily, a secretive upper-class woman who has a child at the same elementary school. When Emily goes missing, Stephanie takes it upon herself to investigate.
Horror, Sci-Fi
UK
2002
112 Minutes
Cillian Murphy Noah Huntley Naomie Harris Brendan Gleeson Megan Burns Christopher Eccleston Marvin Campbell Sanjay Rambaruth Ray Panthaki Junior Laniyan Leo Bill
courier cab driver daughter activist zombie military officer brutal unrestrained gory london manchester, england highway hospital laboratory hideout plagues illness virus apocalypse survival
Four weeks after a mysterious, incurable virus spreads throughout the UK, a handful of survivors try to find sanctuary.
Mystery & Thriller, Action
USA|Germany|Czech Republic|France
2002
113 Minutes
Matt Damon Franka Potente Chris Cooper Clive Owen Brian Cox Adewale Akinnuoye-Agbaje Gabriel Mick Walton Goggins Josh Hamilton Julia Stiles Orso Maria Guerrini
jason bourne girlfriend assassin government official killer amnesiac gripping thrilling intricate intense europe bank car government offices italy on the run identity memory loss pursuit government agents
A man is picked up by a fishing boat, bullet-riddled and suffering from amnesia, before racing to elude assassins and attempting to regain his memory.
Mystery & Thriller
South Korea
2010
141 Minutes
Byung-hun Lee Min-sik Choi Kook-haun Chun Ho-jin Chun San-ha Oh Yoon-seo Kim Moo-seong Choi In-seo Kim
serial killer cannibal secret agent fiancée ex-cop father dark gory frightening gritty korea clinic house basement apartment grief murder chase vigilantism father figure
A secret agent exacts revenge on a serial killer through a series of captures and releases.