It's time to get tactical, as we're taking a look at the more bombastic side of sci-fi this time with our rundown of the ten best sci-fi action movies of all time (according to us, opinions may vary, etc, etc).
10. Starship Troopers (1997)
An interstellar war with a race of giant bugs that want to wipe out humanity? Oh, you better believe we want to know more. Starship Troopers sees the soldiers of the United Citizen Federation head to distant planets to destroy the gnarly-looking and incredibly vicious Arachnids and an even more upsetting Brain Bug.
9. Avatar (2009)
Maybe a controversial choice here, but the numbers don't lie. Avatar is famously the highest-grossing film ever.
With award-winning effects powered by ground-breaking 3D technology, the action scenes across the world of Pandora are epic. Whether it's Jake Sully and co flying in on their Ikran across vibrant landscapes, or the explosive N’avi versus Machine battles — where our lanky blue humanoids face off against the military descending on their sacred land — Avatar is always a feast for the eyes.
8. Akira (1988)
A little more leftfield for sci-fi action is the animated cult hit Akira. Biker gang leader Shōtarō Kaneda finds himself trying to help his childhood friend Tetsuo, who gets twisted up in a secret government project and acquires some… unusual abilities.
The only animated movie on our list, it depicts a 2019 Neo-Tokyo, wildly dreamt up from the 1988 release date. History has proven this future wrong (for now), but that doesn't make it any less compelling.
7. The Fifth Element (1997)
Bruce Willis fronts this bizarre and brilliant epic from director Luc Besson (yes, the guy who did Léon: The Professional). Willis plays Korben Dallas, a soldier-turned-cab driver who finds himself an integral part of a world-saving mission when the superhuman Leeloo (Milla Jovovich) drops from the heavens into his cab.
The Fifth Element has such a fantastic sense of style, with gorgeous sci-fi vistas, wacky rubber-faced aliens, and an iconic scenery-chewing bad guy in Gary Oldman's Jean-Baptiste Emanuel Zorg.
6. Inception (2010)
In the midst of the Dark Knight trilogy, director Christopher Nolan also took on a mind-bending endeavour that had viewers questioning their grounding in reality. Inception sees Cobb (Leonardo DiCaprio) form a team to infiltrate a CEO’s mind via dream-sharing technology, only for Cobb’s own complicated history to threaten the team's survival.
5. Total Recall (1990)
Another of Paul Verhoeven’s sci-fi successes and one of my favourite sci-fi movies of all time, Total Recall (the original, not the remake) is a slice of sci-fi action gold. It uses an excellent blend of practical effects and CGI to deliver a movie that feels of its time, sure, but also pulpy and real in a way that movies seem to have forgotten.
4. Edge of Tomorrow (2014)
As Major William Cage, Tom Cruise plays an army public relations officer who finds himself up on the frontlines of war for humanity's survival against a vicious race of invading aliens known as ‘Mimics’. Cage dies only to discover that he's now stuck in a time loop that throws him back to before the battle starts.
3. Terminator 2: Judgment Day (1991)
Oh, you can already hear that theme music, can't you? Dundun Dun Dundun! Terminator 2: Judgment Day is arguably the best sci-fi sequel of all time (we'll get to the other contender to that throne in a second). Set about 10 years after the original, Terminator 2: Judgment Day sees the return of Arnie as a T-800, but this time around, he's a reformed Terminator set on a mission to protect John Connor.
Unsurprisingly, that mission leads to a plethora of bombastic action scenes as they battle against the shape-shifting T-1000 (Robert Patrick).
2. The Matrix (1991)
We may not know kung-fu, but we do know that The Matrix is one of the best sci-fi movies of all time. The story follows Neo (Keanu Reeves), a hacker who discovers that the world is not as it seems, leading him down the rabbit hole and into the Matrix.
What follows is one of the slickest, most stylish, and most late 90s-coded action movies of all time. It's a masterful blend of impeccable, choreographed martial arts, slow-motion bullet time gunfights, and physics-defying stunts.
1. Aliens (1986)
It had to be. Much like Cameron’s Terminator 2: Judgment Day, Aliens is the other contender to the best sequel ever throne, and another rare sequel that is arguably better than the original (though that one's hotly debated).
Ellen Ripley (Sigourney Weaver) returns decades after surviving the deadly incident on the Nostromo, trying to lead a normal life and forget about her extraterrestrial encounter. But, when a colony on LV-426 — the planet Ripley first found the xenomorph on — goes dark, she gets roped into joining a crack team of marines to mount a rescue mission.
That spicy little "s" on the end of the title tells you everything you need to know about this sci-fi action masterpiece. It's not one alien this time; it's a whole nest of them, complete with a hulking great queen.
Published 26th November 2025 by Grace Dean and Ian Stokes – Space.com
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