SAS: Case 0 - Storm Butterfly | A Detective's Choice

8/25/2026, 12:04:19 PM

Release date: 12/13/2025

Tags: #choose-your-own-adventure #detective #puzzle #rpg #interactive-fiction #visual-novel #psychological-horror #text-based

User Reviews

Score: 89%Very Positive
Review Count: 291 reviews
Fetched At: 8/25/2026, 12:04:19 PM

Reference prices

Japan

Free to Play (JPY)

Steam JP

Free to Play (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: Free to Play
Global Price: Free to Play
Sale Status: Regular pricing
Price Checked At: 8/25/2026, 12:00:31 PM

Key highlight

SAS: Case 0 - Storm Butterfly is a free-to-play interactive fiction title by Qin Yao, blending detective, puzzle, and RPG elements. Players' choices shape the narrative in this engaging visual novel experience.

Who this is for

Recommended for players who enjoy story-driven experiences and games where choices significantly impact the outcome. It's free-to-play, making it easy to jump in and try.

Details

Overview

SAS: Case 0 - Storm Butterfly invites players into a world where choices have significant consequences. As a title that blends elements of detective work, puzzle-solving, and role-playing, it offers an interactive fiction experience where narrative depth is paramount. The game is developed and published by Qin Yao, and its free-to-play model makes it accessible to a wide audience.

Highlights

Genre Blend: This game masterfully combines Choose Your Own Adventure, Detective, Puzzle, RPG, and Interactive Fiction elements, offering a rich narrative experience.
Developer & Publisher: Created and published by Qin Yao, the title benefits from a singular vision.
Accessibility: Released on December 13, 2025, and available for free, it encourages broad player engagement.

Who It's For

This game is ideal for players who enjoy deep narratives, making critical decisions, and unraveling mysteries. Fans of visual novels and interactive fiction that incorporate puzzle-solving and RPG mechanics will find a compelling experience here. Those who appreciate psychological horror elements and text-based adventures will also be drawn to its unique blend.

Game Info

SAS: Case 0 - Storm Butterfly is a free-to-play title that emphasizes player choice and narrative progression. It falls under the visual novel and interactive fiction genres, with strong detective and puzzle components. The game supports family sharing and is available in Simplified Chinese.