The secret patterns of the stars

Stellar Code is a sci-fi suspense visual novel brought to you by the production team of The Witch of Chronicles. Daichi Sato, a university student researching artificial satellites, discovers a metal cylinder that can output ciphertext and, together with Hitomi, who has become a family member, investigates its origin.

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Discovery on the hill behind the university

Daichi is a senior in college, and recently gained a sister named Hitomi, who is not related by blood. Hitomi from the United States has highly acclaimed research achievements, and the two often clash in their interactions. After Dachi finds a cylinder on the hill behind the school, their curiosity drives them to investigate the device's maker and the meaning of the engraved text.

A warning from the unknown

During the investigation, the two received text messages asking them not to show the object called the bottle to anyone. The organization chasing it gradually brings real-world danger to the research, but the two decide to continue unraveling the mystery. The connection between devices, information, and warnings drives the story forward, rather than the traditional speculation about a single killer's identity.

Reasoning surrounding the universe

The official team focuses the puzzles on mysterious phenomena related to the universe and theoretical physics. Necessary information will be provided along with the story, and players are not required to master professional knowledge first. Most of the process is mainly reading, with some scenarios requiring answers based on given clues. These puzzle-solving segments are connected to investigating the origin of the cylinder, serving the gradual revelation of information within the story.

A newly established research partner for the family

Daichi Sato is a senior university student researching artificial satellites, and Hitomi, a researcher from the United States, has recently become his stepsister. The two investigate a metal cylinder found on the hill behind the university and are subsequently warned not to show the cylinder to anyone. Hitomi possesses highly acclaimed research results, and the investigation gradually confronts the two with real-world dangers.

Reasoning problems to discuss later

The questions in the works revolve around the universe and theoretical physics, rather than the killer or the methods of the crime; The information needed to solve puzzles gradually becomes available as the story progresses, and some plot points require players to deduce the answers themselves. Continuum's additional content uses short stories and character sketches to depict life after the main story.

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

Related entries

• Characters:Daichi Sato (Star Secret Text)
• Characters:Pupil (Star Ciphertext)
• Story Setting/Setting:Cryptic Cylinder (Star Ciphertext)
• Development and Publishing:フラガリア
• Release:Studio CAGE
• Release:Seikei Production
• Related Versions/Derivative Content:Stellar Code -Continuum-
• Collaboration with the same team: 'The Witch of Legend':The Witch of Legend

References

• Bangumi work entry: Stellar Code
• Bangumi Copyright Notice
• Official Steam Japanese story and system
• Stellar Code Continuum: Official additional content page

Source author: Bangumi article contributor and community maintainer; License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/); Adaptation: This site filters and reorganizes structured facts, without copying the article summary.

Data compiled on: 2026-10-07.