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A puzzle-adventure game blended with visual novel storytelling. A mysterious girl and butterflies appear each time you solve a puzzle inside the room. Who are they? What do they want? Unravel each puzzle one by one — and the truth draws ever closer.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
About This Game
This game was created as an attempt to gamify the 'Public Key Cryptography Algorithm.'
You wake up in a room filled with cauldrons of colorful paint. By mixing and matching the right colors, you'll solve a series of puzzles — and with each one you complete, a new clue surfaces, slowly pulling back the curtain on a mysterious story.
Who is the girl that appears alongside the butterflies? What does she want from you?
As you clear each puzzle, the game gently shifts from puzzle-solving into a visual novel experience. The ending you reach — the background imagery, the words on the screen — changes depending on the choices and solutions you arrived at along the way.
Key Features
Color-mixing puzzle mechanics across multiple stages
A story revealed piece by piece as you progress
Transitions into a visual novel ending shaped by your results
An instrumental soundtrack with a nostalgic, emotional tone
Estimated playtime: 15–45 minutes
References:
Yanderella by Charon
Ushijima the Loan Shark by Manabe Shohei
Doki Doki Literature Club! by Team Salvato
9 Algorithms That Changed the Future by John MacCormick
AI Usage:
I got help from AI for English translation of texts in this game.
Lowest tracked price: CA$1.30 (Jul 7, 2026) · current best: CA$2.61.
100% positive reviews all-time.
Right now the cheapest offer for Butterfly Girl is CA$2.61 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Butterfly Girl is CA$1.30 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Butterfly Girl drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
