Film

Slugs

Name: Slugs
Genre: Horror
Released: 1988
Cast: Michael Garfield, Kim Terry, Philip MacHale, Alicia Moro, Santiago Álvarez

Monster horror

A Spanish horror film about a small town plagued by mutant killer slugs. It's gloriously stupid in the best way—practical effects, genuine tension, and the kind of monster-movie sincerity that turns the ridiculous into the memorable. For anyone who loves creature features that don't wink at the camera or apologize for their premise.

TMDb rating

2.9

Should you watch it?

Watch it if you enjoy grubby, low-budget creature features where the gore is gleefully over the top and the earnestness of the B-movie cast is half the fun.

Skip it if the pacing sags and the rubbery effects invite unintended laughs, so a reader wanting restraint or a tight script will find the middle stretches a slog.

What it asks of you: Brisk at under ninety minutes, it builds dread in short lurid bursts rather than slow atmosphere, asking only that you let the goo wash over you.

Not sure? Find tonight's pick in a minute.

If you liked this

Tremors1990

Giant underground creatures terrorize a small town with the same b-movie energy and practical ingenuity. Funny, thrilling, and completely committed to its absurd premise without ever breaking character.

But It's become a beloved cult classic, so the novelty has worn off. Also significantly more polished than Slugs, which some find less charming.

Piranha1978

Joe Dante's creature feature has the same gleeful pulp sensibility and practical effects mastery. It's a perfect film about an imperfect monster that somehow works brilliantly.

But The pacing can feel uneven by modern standards, and the humor occasionally undercuts the horror rather than blending them.

Arachnoquake2012

Syfy creature feature with zero pretension and maximum commitment to its ridiculous premise. If you loved Slugs, this has the same infectious earnestness about killer animals doing impossible things.

But The CGI is cheap and visibly so. The acting ranges wildly, and the plot makes almost no sense if you think about it for more than five seconds.

Not sure tonight? Get a pick in a minute, starting from Slugs

The wildcard

Something you would not have found on your own.

Slither2006

Both films treat an alien creature invasion by a parasitic invertebrate as apocalyptic horror and campfire entertainment simultaneously. Slither is what Slugs might have become with a bigger budget and a director educated in the genre's history.

James Gunn's film is a creature-feature love letter that understands exactly what made '80s practical-monster movies work. It's funny but never cruel; horrifying but never joyless. A slug-adjacent invasion that gets the tone perfectly right.

But Its knowing pastiche might feel too clever, especially if you prefer creature films that don't acknowledge they're being clever. Some find the gore excessive even by the standards Slugs sets.

The Lair of the White Worm1988

Ken Russell's baroque horror film about a snake-worshipping cult. Same year as Slugs; same commitment to practical weirdness, but filtered through art-horror instead of creature-feature logic.

But Russell's maximalist style is polarizing. For every person dazzled by the visuals, another finds it indulgent and difficult to follow.

Eight Legged Freaks2002

Giant mutant spiders in a small Arizona town. It has the same DNA as Slugs but with better effects and genuine affection for the monster-movie formula it's following.

But Slightly too polished and modern. Lacks the grubby, anything-goes energy that makes Slugs feel like it shouldn't work but does.

The Boogens1981

Creature horror from the early '80s with practical monsters and a genuine sense of dread. It takes its ridiculous premise seriously in exactly the way Slugs does.

But Slower burn than you might want. Some sequences feel padded, and the monster design, while practical, isn't always clear on screen.

Squirm1976

Killer worm film that absolutely commits to its premise with practical effects that are genuinely disgusting. The same kind of creature-horror that Slugs perfected twelve years later.

But Very much a product of the '70s, which means slower pacing and some truly dated attitudes. The worms occasionally look like exactly what they are: props.

Creepozoids1987

Low-budget sci-fi horror with practical creatures and the same everything-is-permitted ethos as Slugs. A group shelters in a mysterious facility where things go wrong in increasingly creative ways.

But The plot is thin to the point of invisibility. Acting is spotty, the pacing is awkward, and the creature design is sometimes unclear.

Phase IV1974

Both films center on a small community discovering that a non-intelligent creature species has become something far more dangerous. But where Slugs is visceral and immediate, Phase IV is abstract and philosophical—same terror, opposite language.

A genuine science-fiction horror masterpiece about ants developing a hive intelligence. The last film by Saul Bass, the legendary graphic designer, shot with rigid geometry and a sense of cosmic dread. Beautiful, genuinely unsettling, and nothing like Slugs.

But Extremely slow. The human characters are secondary to the concept. The ending is abstract and open, which some find profound and others find frustrating.

Tusk2014

Both films present us with an impossible, grotesque transformation and ask us to take it seriously within the film's logic. The connection isn't genre but tone: an absolute refusal to undercut the premise or apologize for it, no matter how absurd.

Kevin Smith's body-horror film about a man surgically transformed into a walrus. It's transgressive, deeply uncomfortable, and absolutely committed to its deranged premise in a way that recalls Slugs' deadpan monster logic—just played for psychological horror instead of creature-feature thrills.

But It's extremely strange and disturbing. Not fun in the way Slugs is fun. Some scenes are difficult to watch, and the premise might alienate you before the film even starts.