Harumachi Toroidal: A 10-Day Loop Adventure on a Mysterious Island

8/30/2026, 7:50:06 PM

Release date: 8/2/2023

Tags: #choose-your-own-adventure #pixel-graphics #2d #cute #dialogue-heavy #choices-matter #anime #adventure

User Reviews

Score: 94%Very Positive
Review Count: 70 reviews
Fetched At: 8/30/2026, 7:50:06 PM

Reference prices

Japan

¥ 800 (JPY)

Steam JP

$6.99 (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: ¥ 800
Global Price: $6.99
Price in Your Region: ¥ 800Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 31 Aug 2026
Sale Status: Regular pricing
Price Checked At: 8/30/2026, 7:45:35 PM

Key highlight

Embark on a 10-day time-looping high school adventure in "Harumachi Toroidal." Unravel island mysteries and deepen relationships through card-based dialogue to break the cycle and graduate.

Who this is for

For players who enjoy unraveling mysteries and building relationships with unique characters, "Harumachi Toroidal" offers a fresh take on the adventure genre with its engaging time-loop and card-based dialogue mechanics.

Details

Overview

Step into a unique high school life simulation with "Harumachi Toroidal," a compelling loop-based adventure game developed and published by Samessame Sametion. You're tasked by a mysterious girl, who claims to be a demon, to attend a remote island high school and graduate within just 10 days.

However, failing to achieve this goal resets your progress back to the first day, forcing you to relive the same period. To break free from this cycle, you must use dialogue as your primary weapon, uncovering the truth behind the demon's words and finding a way to reach the graduation ceremony.

Highlights

A Time-Looping Mystery: Experience a unique narrative where you must repeat the same 10 days of high school life, uncovering secrets and finding the correct path to graduation.
Card-Based Dialogue System: Engage with classmates through a strategic card battle system for conversations, where the outcomes directly influence your relationships and the unfolding story.
Deepen Relationships for Truth: Building stronger bonds with your classmates is key to revealing the full story and understanding the mysteries of Ryuga Island and the enigmatic demon.

Who It's For

Fans of narrative-driven adventure games, visual novels, and titles with meaningful choices will find "Harumachi Toroidal" particularly engaging. Players who enjoy unraveling mysteries, exploring character relationships, and experiencing unique gameplay mechanics like time loops and card-based dialogue will appreciate this title.

Its cute pixel art style and focus on dialogue make it accessible to a wide audience looking for a story-rich experience.

Game Info

"Harumachi Toroidal" is a paid title released on August 2, 2023. Developed and published by Samessame Sametion, it features a charming pixel art aesthetic and is presented in 2D.

The game emphasizes player choice, with dialogue and actions significantly impacting the narrative. It supports Japanese language and is available for family sharing on Steam.

The game has garnered a "Very Positive" reception from Steam users, highlighting its engaging gameplay and story.