Stellar Code

A sci-fi visual novel with a mystery rooted in physics

Fragaria · Published by Fragaria, Studio CAGE, Seikei Production · Released Aug 15, 2025

Reviews: Very Positive; 97% of 472
Recent reviews: Very Positive; 90% of 11 in 30 days
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 2 months ago; Jul 29, 2026
Minimum PC: 8 GB RAM · 4 GB disk; Full requirements

What is Stellar Code?

Stellar Code is a single-player mystery visual novel centered on space and theoretical physics. You follow the story and use clues revealed along the way to work through its central mystery.

For you if...

+you enjoy anime-style art in a narrative-focused game
+you want science fiction without needing a science background

Not for you if...

−you expect a traditional whodunit focused on identifying culprits
−you need English-language text to follow the story

What players say

97% of 472 reviews are positive · 90% of 11 in the last 30 days

Players praise the mystery and the satisfaction of solving its puzzles.

Screenshots and trailer

Stellar Code system requirements

Minimum: 8 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run Stellar Code?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 11
Processor: Intel(R) Core(TM) i3
Memory: 8 GB RAM
Storage: 4 GB available space
Notes: Display Resolution 1280x720

Does Stellar Code have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Stellar Code run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

The native resolution is not the default one
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 5
Steam features: Family Sharing
Languages: Text only: Japanese, Korean, Simplified Chinese.

Does Stellar Code use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam