Movies Like Space Amoeba

If you liked Space Amoeba (1970), a science fiction and adventure movie directed by Ishirō Honda, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Rodan (1956)
★ 6.5/10Also horror and science fiction
Mining engineer Shigeru investigates the disappearance and death of his fellow coworkers when prehistoric nymphs are discovered emerging from the mines. After an attack on the local village, Shigeru heads deeper into…
2
Son of Godzilla (1967)
★ 6.4/10Also adventure and science fiction
Reporter Goro Maki stumbles upon scientists conducting weather experiments on Sollgel Island in the South Seas. He discovers the island is inhabited by giant mantis and a woman named Saeko who's been cast away since…
3
Godzilla 2000: Millennium (1999)
★ 6.9/10Also adventure and science fiction
An independent group of researchers called the Godzilla Prediction Network (GPN) actively track Godzilla as he makes landfall in Nemuro. Matters are further complicated when a giant meteor is discovered in the Ibaragi…
4
Gamera 2: Advent of Legion (1996)
★ 7.5/10Also science fiction and horror
A strange meteor lands in Japan and unleashes hundreds of insect-like "Legion" creatures bent on colonizing the Earth. When the military fails to control the situation, Gamera shows up to deal with the ever-evolving…
5
Godzilla vs. Kong (2021)
★ 7.5/10Also science fiction and adventure
In a time when monsters walk the Earth, humanity’s fight for its future sets Godzilla and Kong on a collision course that will see the two most powerful forces of nature on the planet collide in a spectacular battle…
6
Frankenstein Conquers the World (1965)
★ 6.7/10Also horror and science fiction
During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in a Hiroshima laboratory, it is seeming lost when the United States…
7
Attack on Titan II: End of the World (2015)
★ 6.3/10Also horror and science fiction
Eren Yeager leaves to restore a break in the wall destroyed by a Titan. He comes under attack by the Titans and is cornered. Shikishima comes to his aid. The titans never stops attacking. Eren is now injured and tries…
8
Mothra (1961)
★ 7.2/10Also adventure and science fiction
Shipwreck survivors found on the presumably uninhabited Infant Island leads to a scientific expedition that discovers a surviving native population along with the Shobijin, tiny twin fairy priestesses of the island's…
9
The War of the Gargantuas (1966)
★ 6.3/10Also horror and science fiction
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from…
10
Dogora (1964)
★ 6.7/10Also science fiction and horror
A floating amorphous life-form descends from the atmosphere to consume carbon in the form of diamonds.
11
Gamera vs. Gyaos (1967)
★ 6.1/10Also adventure and horror
Unusual volcanic activity in Japan awakens Gyaos, a bloodthirsty flying monster with the power to slice things in half with an ultrasonic ray. While scientists and the military scramble to devise a way to stop this new…
12
Shin Godzilla (2016)
★ 7.3/10Also science fiction and horror
When a massive, gilled monster emerges from the deep and tears through the city, the government scrambles to save its citizens. A rag-tag team of volunteers cuts through a web of red tape to uncover the monster's…
13
Island of Terror (1966)
★ 5.9/10Also horror and science fiction
When a small island community becomes overrun with creeping, blobbish, tentacled monsters that liquefy and digest the bones from living creatures, the community struggles to fight back.
14
Godzilla vs. Gigan (1972)
★ 6.4/10Also adventure and science fiction
Manga artist Gengo Odaka lands a job with the World Children's Land amusement park only to become suspicious of the organization when a garbled message is discovered on tapes. As Gengo and his team investigate…
15
Godzilla vs. Biollante (1989)
★ 7.3/10Also horror and science fiction
After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear…
16
Atragon (1963)
★ 6.6/10Also science fiction and adventure
The legendary empire of the lost continent of Mu reappears to threaten the world with domination. While countries unite to resist, an isolated World War II Captain has created the greatest warship ever seen, and…
17
Underwater (2020)
★ 6.3/10Also horror and science fiction
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
18
Gamera 3: Revenge of Iris (1999)
★ 7.4/10Also science fiction and horror
With the Gyaos re-emerging, Gamera's ties to humanity have been severed with his bond to Asagi broken. Nagamine and Asagi investigate while an orphaned girl named Ayana discovers a new creature she names Iris. Nagamine…
19
Godzilla vs. Mechagodzilla II (1993)
★ 7.3/10Also adventure and science fiction
The U.N.G.C.C. (United Nations Godzilla Countermeasure Center) recovers the remains of Mecha-King Ghidorah and construct Mechagodzilla as a countermeasure against Godzilla. Meanwhile, a giant egg is discovered along…
20
Godzilla x Kong: The New Empire (2024)
★ 7/10Also adventure and science fiction
Following their explosive showdown, Godzilla and Kong must reunite against a colossal undiscovered threat hidden within our world, challenging their very existence – and our own.