Onslaught (2026)
Film · Action, Horror, Thriller
One to seeif you enjoy high-octane creature features and relentless, desert-set military action.
A loud, high-octane mashup of sci-fi horror and military action that moves at a breakneck speed. It is a relentless thrill ride designed for fans of genetically engineered monsters and explosive, one-woman-army standoffs in the desert.
What it is about
When a rogue squad of genetically engineered super soldiers break loose in the desert, a badass Army sniper must unleash hell to protect her young daughter.
Trailer
What Onslaught is like, and who it is for
What it is like to watch
Watching this film is a kinetic experience defined by a breakneck pace and high-intensity set pieces. It feels like a relentless pursuit across a sun-bleached landscape, blending the visceral dread of horror with the loud, explosive choreography of a modern war thriller. The tone is aggressive and unyielding, prioritising spectacle and momentum over quiet contemplation or complex dialogue.
Who it is for, and who should skip it
This is tailor-made for fans of one-person-army narratives and genetically engineered monstrosities. If you appreciate precise tactical action and over-the-top sci-fi threats, the brevity and focus will appeal. However, those seeking a nuanced plot or significant character development should skip it. The caveat is that the film functions almost entirely as a sensory assault, which may prove exhausting for some.
The right evening for it
It is a perfect choice for an evening where you want a short, sharp shock to the system. It suits a loud sound system and a large screen to fully appreciate the chaotic energy and technical scale.
Written by our AI from the facts on this page. It has opinions; it has not watched it.
Another trailer
Trailer · Official Trailer
How Onslaught leaves you
One line on the mood it ends on, with no plot. Some people count that as a spoiler, so it stays hidden until you ask.
Expect to feel physically buzzed and slightly deafened. It leaves you with the adrenaline-heavy satisfaction of a well-executed chase, though the narrative weight is light and fades quickly.
How Onslaught ends
Spoilers. The whole ending, in a few lines. Nothing shows until you ask and then confirm.
After Cockroach and Crybaby are killed during the trailer park massacre, Celeste faces the final super soldier, Butcher. He reveals himself as the man she once defeated in a military fight before they engage in a final duel. Celeste manages to sever his leg with a chainsaw and kills him. Cyrus, the government operative, subsequently approaches Celeste, Daisy, and Josiah, offering to relocate them in exchange for their silence regarding the events.
The film ends as Hanna informs Cyrus that she deems the massacre a successful demonstration of the super soldiers' capabilities. She instructs Cyrus to keep the three survivors under observation, leaving their future safety uncertain as the government continues its research.
Summarised by our AI from the plot section of the Wikipedia article, available under CC BY-SA 4.0. This summary is shared under the same licence.
Stills
Images from TMDB.
If you like this, try
Overlord (2018)
the blend of military grit with experimental horror elements
Prey (2022)
a singular protagonist hunting a superior biological threat in an open landscape
Pitch Black (2000)
the tense dynamic of surviving lethal creatures in a harsh desert environment
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More clips
Trailer · Official Trailer
Clip · Prepare for the Onslaught
Featurette · i love this onslaught of fans
Onslaught soundtrack
Music by Matthew Pusti
Questions people ask
- When does Onslaught come out?
- Onslaught opens in cinemas on 11 December 2026 in the UK and Ireland.
- Is Onslaught an epic film?
- Yes. On Watchlist Boosted it is tagged Epic, with a tense streak. A loud, high-octane mashup of sci-fi horror and military action that moves at a breakneck speed. It is a relentless thrill ride designed for fans of genetically engineered monsters and explosive, one-woman-army standoffs in the desert.
- How long is Onslaught?
- Onslaught runs 92 min.
- Who composed the music for Onslaught?
- The music for Onslaught is by Matthew Pusti.
- Is Onslaught worth watching?
- One to see: if you enjoy high-octane creature features and relentless, desert-set military action. IMDb users rate it 6.2 out of 10 from 1,404 votes, Rotten Tomatoes gives it 59%, Metacritic 57 and TMDB users 5.7.
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