Movies Like Monstrum (What to Watch After)
If you enjoyed Monstrum, you will appreciate how these films questions the purpose and weight of our choices all while offering targets the intellect with complex, multi-layered ideas. Carefully balances character depth with narrative flow makes this definitely worth a watch.
Standard feature-length experiences.
Best for fans of who appreciate concise storytelling.
★ Top Picks

Rampant
Ancient Korea, 17th century. While the paranoid King Lee Jo of Joseon, vassal of the Qing dynasty, feels surrounded by conspirators and rebels, a dark evil emerges from the bowels of a merchant ship and the exiled Prince Lee Cheung returns to the royal court, ignoring that he will have to lead the few capable of defeating the ambitious humans and the bloody monsters who threaten to destroy the kingdom.

The Sword with No Name
Mu Myeong is a Joseon dynasty headhunter who meets and falls in love with lady Ja Yeong who will become the future Empress Myseongseong. A few years later, Ja Yeong enters the royal palace to marry King Gojong. Mu Myeong still having feelings for Ja Yeong and in an attempt to get closer to her becomes her personal body guard.

The Pirates: The Last Royal Treasure
A gutsy crew of Joseon pirates and bandits battle stormy waters, puzzling clues and militant rivals in search of royal gold lost at sea.

The Fortress
Ancient Korea, 17th century. The powerful Khan of the Jurchen tribe of Manchuria, who fights the Ming dinasty to gain China, becomes the first ruler of the Qing dinasty and demands from King In-jo of Joseon to bow before him; but he refuses, being loyal to the Mings. On December 14th, 1636, the Qing horde invades Joseon, so King In-jo and his court shelter in the mountain fortress of Namhan and prepare to defend the kingdom.

Kundo: Age of the Rampant
In 1862, amidst the rule of the late Joseon dynasty in Korea, a band of fighters named Kundo rise against the unjust authorities.

The Pirates
At the cusp of the founding of Joseon Dynasty, an envoy from China is delivering Emperor’s Ming’s Royal Seal. But nature in the form of a giant whale intervenes and swallows the royal seal. When a generous reward is offered to whomever can retrieve the royal seal from the belly of the whale, the race is on. A group of mountain bandits led by Jang Sa Jung and a group of pirates led by Yeo Wol go after the lost treasure, but who will get to to it first?

Jack the Giant Slayer
The story of an ancient war that is reignited when a young farmhand unwittingly opens a gateway between our world and a fearsome race of giants. Unleashed on the Earth for the first time in centuries, the giants strive to reclaim the land they once lost, forcing the young man, Jack into the battle of his life to stop them. Fighting for a kingdom, its people, and the love of a brave princess, he comes face to face with the unstoppable warriors he thought only existed in legend–and gets the chance to become a legend himself.
More Movies Like Monstrum

The Treacherous
The story of Joseon's tyrant king Yeonsan who exploits the populace for his own carnal pleasures, his seemingly loyal retainer who controls him and all court dealings, and a woman who seeks vengeance.

The Concubine
Living a torturous life of poverty and barely able to survive, Hwa-yeon decides to offer herself as one of the king’s concubines. Once inside the royal palace, two men are immediately seized by the woman - the Grand Prince Seong-won, a megalomaniacal ruler drunk with power and lust, and Kwon-yoo, who has everything to lose if his desire for Hwa-yeon is exposed.

The Lord of the Rings: The War of the Rohirrim
A sudden attack by Wulf, a clever and traitorous lord of Rohan seeking vengeance for the death of his father, forces Helm Hammerhand, the King of Rohan, and his people to make a daring last stand in the ancient stronghold of the Hornburg.

Strings
The story of Prince Hal who sets out to avenge his dead father against the city's rivals, the Zeriths, little knowing it was his wicked uncle Nezo who is the real killer, with his own designs on the throne.

Dust Bunny
Ten-year-old Aurora asks her hitman neighbor to kill the monster under her bed that she claims ate her family. To protect her, he must battle an onslaught of assassins while accepting that some monsters are real.

The King and the Clown
Two clowns living in Korea's Chosun Dynasty get arrested for staging a play that satirizes the king. They are dragged to the palace and threatened with execution but are given a chance to save their lives if they can make the king laugh.

Phantom
In 1933, when Korea was under Japanese occupation, five people in Gyeongseong are suspected to be "Phantom" spies of the anti-Japanese organization.

Uprising
In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.

Blades of Blood
Lee Mong-hak and a skilled blind swordsman Hwang Jeong-hak, both long to wipe away corruption and heal the world. Lee Mong-hak creates a rebel army to achieve his goal and get rid of the King.

Puppetmaster
After being contacted by their mysterious former colleague, four psychics arrive at a secluded hotel where they are stalked by a group of murderous puppets.

Detective K: Secret of Virtuous Widow
In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.

No Such Thing
A young journalist journeys to Iceland to find her missing fiancé only to encounter a mythical creature who longs to die.
Why These Movies Are Similar
These recommendations share core qualities with Monstrum (2018): Action and Horror themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of Monstrum.
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