Movies Like Guinea Pig: Mermaid in the Manhole (1988)

Guinea Pig: Mermaid in the Manhole is a 1988 horror, romance film from Hideshi Hino with a MovieMagicScore of 5.3/10. Here are 20 similar films, ranked by real viewer ratings — starting with Obsession and Backrooms.

Horror Romance

Obsession

2026

After breaking the mysterious "One Wish Willow" to win his crush's heart, a hopeless romantic finds himself getting exactly what he asked for but soon discovers that some desires come at a dark, sinister price.

8.1

MagicScore

Backrooms

2026

A strange doorway appears in the basement of a furniture showroom.

6.8

MagicScore

Deep Water

2026

A group of international passengers on a flight from Los Angeles to Shanghai is forced to make an emergency landing in shark-infested waters. The terrified group is forced to work together and overcome their differences if they hope to escape their sinking plane and the frenzy of sharks drawn to the wreckage.

6.1

MagicScore

Your Heart Will Be Broken

2026

High school student Polina is saved from bullying at her new school and makes a deal with the main bully Bars: he must pretend to be her boyfriend and protect her, and she must do everything he says. During this game, the couple develops real feelings, but her family and classmates have reasons to separate the lovers.

7.0

MagicScore

Salitan

2024

A suspicious wife follows her husband in Bali. She meets a dashing man who captures her heart. She soon wants her husband to really have an affair to alleviate the guilt she is feeling.

4.7

MagicScore

Damage

1992

The life of a respected British politician at the height of his career crumbles when he becomes obsessed with his son's lover.

6.6

MagicScore

Voicemails for Isabelle

2026

A young woman's hilariously confessional voicemails to her late sister are unknowingly redirected to a stranger, who begins to fall in love from afar.

8.3

MagicScore

Cocktail 2

2026

After a decade together, Diya and Kunal's relationship is shaken when Ally, an old friend, re-enters their lives. What begins as a plan between two women spirals into chaos, triggering hilarious, emotional rollercoaster none of them saw coming.

5.8

MagicScore

Bhooth Bangla

2026

A man inherits a palace in rural Mangalpur and plans his sister's wedding there, but strange supernatural events and panicked locals force him to investigate the property's mysterious past.

5.5

MagicScore

#10

Lee Cronin's The Mummy

2026

The young daughter of a journalist disappears into the desert without a trace—eight years later, the broken family is shocked when she is returned to them, as what should be a joyful reunion turns into a living nightmare.

8.0

MagicScore

#11

El mal

2026

“El mal is basically a suspense story, where the audience senses that something disturbing is going to happen, but doesn't know how or when. But it also aims to get the viewer to question their own certainties, their capacity to love and to accept their own dark side.”

6.0

MagicScore

#12

Skin. Like. Sun.

2009

Real-life young couple Wim and Floor spend an afternoon in the sunwashed rooms of a crumbling home in Belgium. In a unique twist, this artistic erotic documentary is edited in nearly real-time. In the slowness, we get the build, the sweetness, and the sexiness. Forget about fingersnapping fast editing. Slow is where it’s at.

6.1

MagicScore

#13

Your Fault: London

2026

Nick and Noah are both embarking on life-changing adventures that are threatening to pull them apart—Nick in business with his father and Noah starting a fresh chapter at Oxford University. Now living separate lives, and meeting new people, they find themselves entangled in temptations, rivalries, and betrayals and their bond is tested like never before. As secrets unravel and temptation rises, they must fight to hold onto each other—or risk losing everything.

7.5

MagicScore

#14

Hokum

2026

When novelist Ohm Bauman retreats to a remote inn to scatter his parents' ashes, he is consumed by tales of a witch haunting the honeymoon suite. Disturbing visions and a shocking disappearance forces him to confront dark corners of his past.

6.9

MagicScore

#15

Au Bonheur des Dames

1930

Denise, an orphaned girl, moves to Paris where she hopes to find work at her uncle's store. But the glamorous department store 'Aux Bonheur des Dames' across the street crushes all the little businesses around. She finds a position there.

6.4

MagicScore

#16

Zombies of the Third Reich

2025

During WW2, a group of assembled allied forces are sent to a secret nuclear bunker occupied by Nazi Germany to  uncover the operations of what's been occurring there. But when they discover the bunker is infested with rabid, zombie, super-humans in a nuclear testing operation gone wrong, they must destroy every last one in hopes of survival.

6.0

MagicScore

#17

Victim

2010

After being mysteriously kidnapped by a Doctor and his violent henchman, a young man is held captive in the converted cellar of an old mansion. For reasons unknown, he's forced to endure heinous physical and psychological torture, but slowly realizes the worst is yet to come when the Doctor's brutal plan for him is finally revealed….

4.8

MagicScore

#18

Joyeux Noel

2005

France, 1914, during World War I. On Christmas Eve, an extraordinary event takes place in the bloody no man's land that the French and the Scots dispute with the Germans…

7.4

MagicScore

#19

A Journey Through Time with Anthony

2015

A young man from Dalian pursues his studies in Melbourne, where he undergoes love, loss and self-discovery in this coming-of-age tale.

5.9

MagicScore

#20

Transylvania 6-5000

1985

Two reporters travel to a strange castle in Transylvania to investigate the apparent reappearance of Frankenstein, and encounter the sensitive Wolfman, the Vampiress Odette and a whole cast of other weirdos.

5.3

MagicScore

Frequently asked

What are the best movies like Guinea Pig: Mermaid in the Manhole?

The top films similar to Guinea Pig: Mermaid in the Manhole by MovieMagicScore are Obsession (8.1), Backrooms (6.8), Deep Water (6.1). Each shares horror/romance themes and is ranked by real viewer ratings, not critics or studios.

Is Guinea Pig: Mermaid in the Manhole worth watching?

Guinea Pig: Mermaid in the Manhole holds a MovieMagicScore of 5.3/10 from 67 viewer ratings.

What kind of movie is Guinea Pig: Mermaid in the Manhole?

Guinea Pig: Mermaid in the Manhole (1988) is a horror, romance film directed by Hideshi Hino, starring Shigeru Saiki, Mari Somei, Go Riju.

Where can I find more recommendations like Guinea Pig: Mermaid in the Manhole?

Browse the full ranked list above, or explore more horror recommendations on MovieMagicScore, where every list is ordered by genuine viewer ratings.

Keep exploring

Movies like Obsession Movies like Backrooms Movies like Deep Water Movies like Your Heart Will Be Broken Movies like Salitan Movies like Damage

About movies like Guinea Pig: Mermaid in the Manhole

This ranked list pairs Guinea Pig: Mermaid in the Manhole (1988), a horror and romance film from Hideshi Hino, with similar titles by genre, theme and cast overlap (fans of Shigeru Saiki take note). Unlike critic-driven sites, every position here is ordered by MovieMagicScore — a rating built only from real viewers, with no studio marketing or paid placement. Scores update as more people rate, so the list stays current.

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