- Hideto Miyajima: “I'm certain. This metal can only be Space Titanium.”
- Masahiko Shimizu: “Space Titanium? You mean it's from outer space?”
- ― Professor Hideto Miyajima determines that a piece of metal Masahiko Shimizu found is Space Titanium. (Godzilla vs. Mechagodzilla)
Space Titanium (スペースチタニウム is a fictional extraterrestrial alloy featured in the films Supēsu Chitaniumu)Godzilla vs. Mechagodzilla and Terror of Mechagodzilla. It is a metal utilized by the Black Hole Planet 3 Aliens in the construction of Mechagodzilla.
Space Titanium is a lustrous light silver metal, the surface of which may shine a rainbow color when exposed to light at certain angles.
Godzilla vs. Mechagodzilla
While exploring Gyokusen Cave in Okinawa, Masahiko Shimizu came upon a shard of Space Titanium, which he brought to Professor Hideto Miyajima's lab near Mount Fuji. Miyajima determined that the metal was Space Titanium, meaning it did not come from Earth. Masahiko's brother Keisuke later found a larger chunk of Space Titanium at the site of Godzilla's battle with Anguirus. He brought the metal to Miyajima, who confirmed that it was the exact same metal Masahiko found. They all then traveled to Tokyo to get a closer look at Godzilla. While Godzilla laid waste to the port area, they witnessed a second Godzilla erupt from beneath a building and attack the other one. When this Godzilla landed a blow on the other one's back, it exposed a huge patch of Space Titanium under its skin. Miyajima finally realized that the Godzilla which had come out of Mt. Fuji and fought Anguirus was a cyborg built entirely from the Space Titanium, a "Mechagodzilla," so to speak. Once Mechagodzilla retreated after knocking Godzilla into Tokyo Bay, Miyajima decided to investigate Gyokusen Cave with Masahiko, believing Mechagodzilla was being remotely controlled by aliens.
Terror of Mechagodzilla
Following the destruction of Mechagodzilla at the hands of Godzilla, the submarine Akatsuki searched the waters off of Okinawa for the robot monster's wreckage. The sub was equipped with a scanner set to specifically search for Space Titanium. To the crew's shock, the sub could not detect a single piece of Space Titanium on the sea floor. The Akatsuki was subsequently attacked and destroyed by Titanosaurus, and the surviving crew abducted and enslaved by the Black Hole Planet 3 Aliens. The aliens had actually salvaged the wreckage of Mechagodzilla, and were busy at work rebuilding it as the improved Mechagodzilla 2 in their underground base at Mount Amagi.
Space Titanium is extremely strong and durable, possessing ten times the strength of steel and proving immune to both conventional weaponry and the majority of Godzilla and King Caesar's attacks. Space Titanium is also ferromagnetic, which proved to be the downfall of the first Mechagodzilla model when Godzilla was able to harness magnetic forces in his own body and pull Mechagodzilla into his grasp.
- Godzilla vs. Mechagodzilla (1974)
- Terror of Mechagodzilla (1975)
- Godzilla Defense Force (2019) - Android and iOS
Godzilla Defense Force
Space Titanium appears as an artifact that can be obtained by the player. It provides increased damage and Moonstone production.
Space Titanium in Godzilla Defense Force
- GODZILLA: Monster Apocalypse (2017)
GODZILLA: Monster Apocalypse
Space Titanium was an alloy developed by the United Earth with the cooperation of the Bilusaludo aliens. It was used to construct the armor of the Type-38 Mobile Combat Uniform Jaguar J and G-HED. Space Titanium would eventually be rendered obsolete once the Bilusaludo developed and perfected the autonomous metal substance known as Nanometal.
- According to Christian Gonzalez's reference sheet for the Nebulans in Godzilla Rivals: Vs. Gigan, the Nebulans' UFOs include Space Titanium plating, due to being made up of scavenged parts from other alien ships.
This is a list of references for Space Titanium. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: 
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