Movies Similar to Super Giant: The Mysterious Spacemen's Demonic Castle

Gappa, the Triphibian Monster(1967)

An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone, but they don't listen and take it back to a zoo in Japan. Soon after, moma and papa Gappa start smashing Tokyo looking for their kidnapped child.

5.6

A 10th Rider Appears! Kamen Rider - All Riders Assemble!(1984)

The Badan Empire killed Ryo Murasame's older sister, and he had been cybernetically remodeled into ZX. However, he regained himself after an accident and stood up fearlessly.

5.3

Kaizoku Sentai Gokaiger: Let's Make an Extremely GOLDEN Show of it! The 36-Stage Gokai Change!!(2011)

Captain Marvelous and Gai are accidentally fused together in one body during Insarn's attempt to put Gai inside Karizorg, the empty shell of Barizorg. Determined to retrieve Insarn's gun and reverse the process, the duo transform into a hybrid form of Gokai Silver with Gokai Red's helmet and boots, and change into the red warriors from the past 34 Super Sentai while battling dozens of Gormin Sailors!

6.0

Kamen Rider Ex-Aid the Movie: True Ending(2017)

An evil ninja Rider, Kamen Rider Fuma, appears from the virtual reality world in an effort to conquer Earth! It is up to the CR Riders to use the power of virtual reality gaming to save a young girl’s life and stop the evil plans of Machina Vision CEO Johnny Maxima before the Bugster Virus infects all of humanity!

7.6

Armor Hero Emperor(2010)

After the Armor Heroes united to seal up the Dark Forces Monsters, the city regained its peace and happiness. Since Monster Ten was not successfully sealed up, Mei Zhen found Zi Yang, hoping that when danger and difficulty arises, Zi Yang would be able to seal up this last monster and would completely eradicate the forces of darkness on earth. Meanwhile the Five sealed in the Monster Sealing Box, in order to fulfill their quest for world domination, used the forces of darkness to entice an angry youth, and created new mutants to create havoc in the city.

7.7

Ultraman Zoffy: Ultra Warriors vs. the Giant Monster Army(1984)

Ultraman Zoffy explains to the audience about the history of the ultra series alongside Pigmon, while having to fight off with various seijin foes.

7.2

Ultraman Story(1984)

The film centers around Ultraman Taro growing up, and wanting to join the Ultra Brothers in battle. His family, however, thinks he is too young. Taro eventually proves himself after saving the 5 Ultra Brothers from the evil Grand King, created by Juda.

6.1

Godzilla(1954)

Japan is thrown into a panic after several ships are sunk near Odo Island. An expedition to the island led by Dr. Kyohei Yamane soon discover something far more devastating than imagined in the form of a 50 meter tall monster whom the natives call Gojira. Now the monster begins a rampage that threatens to destroy not only Japan, but the rest of the world as well.

7.6

Godzilla Raids Again(1955)

Two fishing scout pilots make a horrifying discovery when they encounter a second Godzilla alongside a new monster named Anguirus. Without the weapon that killed the original, authorities attempt to lure Godzilla away from the mainland. But Anguirus soon arrives and the two monsters make their way towards Osaka as Japan braces for tragedy.

6.0

Kamen Rider × Kamen Rider Gaim & Wizard: The Fateful Feudal Movie Wars(2013)

The story is divided in three portions. The Kamen Rider Wizard portion, Kamen Rider Wizard: The Promised Place, taking place after the finale and defeating Amadum. The Kamen Rider Gaim's portion of the film is titled Kamen Rider Gaim: Sengoku Battle Royale!. A battle royale is being held exclusively for the Armored Riders in Zawame City. In the final portion of the film, titled Sengoku Movie Battle, Kamen Riders Wizard and Beast join Kamen Rider Gaim in the alternate world to stop Kamen Rider Bujin Gaim from acquiring the "ultimate power" he seeks.

6.1

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai(2014)

The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…

6.4

King Kong vs. Godzilla(1962)

The advertising director of Pacific Pharmaceuticals, frustrated with the low ratings of their sponsored TV program, seeks a more sensationalist approach. He orders his staff to Faro Island to capture King Kong for exploitation. As Godzilla re-emerges, a media frenzy generates with Pacific looking to capitalize off of the ultimate battle.

6.9

Mothra vs. Godzilla(1964)

Journalists Ichiro Sakai and Junko cover the wreckage of a typhoon when an enormous egg is found and claimed by greedy entrepreneurs. Mothra's fairies arrive and are aided by the journalists in a plea for its return. As their requests are denied, Godzilla arises near Nagoya and the people of Infant Island must decide if they are willing to answer Japan's own pleas for help.

7.0

Super Android Metalder: The Movie(1987)

A film version of Super Android Metalder, set between episodes 17 & 18 premiered on July 18, 1987 at the "Toei Manga Matsuri" film festival, where it was shown as part of a quadruple feature alongside Dragon Ball: Sleeping Princess in Devil's Castle, Saint Seiya: The Movie and the film version of Hikari Sentai Maskman.

8.0

Blue SWAT(1994)

When Earth is tearing itself apart by means of crime, pollution and war, aliens choose the time to invade, taking advantage of the lowering of everyone's guard. The Japanese government establishes an elite police organization known as Blue SWAT to combat the aliens, known as the Space Mafia. The aliens attack by possessing humans to obtain their goals. When an alien possesses the chief of the Blue SWAT unit to infiltrate the organization, it manages to completely demolish their building of operations and murder all but three SWAT members; Shou, Sara and Sig.

8.0

Kamen Rider Agito: Project G4(2001)

Shouichi encounters a teenage girl called Sayaka, who ran away from a military facility because of an attack by the Ant Lords. Sayaka has a supernatural ability to foresee the future. Risa Fukami, of the military group GA, wants to use that power to enhance the newly-made G4 System, which was based upon designs stolen from Ozawa. Now, Agito and Gills must fight to stop the Ant Lords' attack, as G3 and G4 settle their score.

6.6

Kikaider Reboot(2014)

In the near future, the brilliant Dr. Komyoji is enlisted to lead the ARK Project—a scientific endeavor dedicated to forging a brighter tomorrow through robotics. However, the doctor’s mysterious death puts those plans to an abrupt hold... Not long after, the grieving Komyoji children wander into the crosshairs of a black ops squad on the hunt for their father’s research. But from within the cross fire emerges Jiro—a bleeding-edge android programmed to protect the siblings! Now on the run, the Komyojis soon discover their father’s once hopeful ambitions have taken a DARK turn...

6.8

Kamen Rider Black: Terror! Demon Mansion at Devil's Pass(1988)

The city of Yūbari in the Hokkaido prefecture has become a ghost town following the presence of Shadow Moon and his minions of Gorgom. Makino, a scientist working on Gorgom's top-secret robot experiment, escapes from the evil organization and returns to Tokyo, only to find out that his wife and daughter have been abducted. As Kamen Rider Black, Kotaro travels to Yubari to save Makino's family and liberate the town from Shadow Moon's evil grasp.

7.2

Himitsu Sentai Gorenger: The Bomb Hurricane!(1976)

The Gorenger head for Matsuyama to prevent the Black Cross from firing a missile to destroy Japan. Himitsu Sentai Gorenger: The Bomb Hurricane is a theatrical film based on the Himitsu Sentai Gorenger television series. It was originally shown on July 22, 1976 (between Episodes 56 and 57 of the TV series) as part of the Toei Manga Matsuri film festival. It was the only Gorenger film that was a completely original work and not a theatrical version of a TV episode.

8.6

Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special(2014)

The ToQGers stop at a station in Zawame City, where there is no Shadow Line activity. However, they come across Kamen Rider Gaim and are brought into a fight with the Underground Empire known as Badan. As the ToQGers and the Armored Riders work together to discover Badan’s true intentions, a mysterious Rider calling himself Fifteen appears…

7.5