HIIS: Sandbox Alchemy and Mystical Exploration on a Secret Island

9/2/2026, 2:35:04 PM

Release date: 2/11/2021

Tags: #exploration #open-world #adventure #sandbox #physics #simulation #crafting #fantasy

User Reviews

Score: 77%Mostly Positive
Review Count: 13 reviews
Fetched At: 9/11/2026, 1:11:41 PM

Reference prices

Japan

¥ 1,010 (JPY)

Steam JP

$9.99 (USD)

Steam Global

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: ¥ 1,010
Global Price: $9.99
Price in Your Region: ¥ 1,010Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 17 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/15/2026, 12:25:13 PM

The price snapshot and review snapshot differ by about 95 hours. Because they are not always refreshed at the same time, confirm the latest Steam listing before making a purchase decision.

Key highlight

Explore a mystical island as a sage in HIIS, an open-world sandbox focused on discovering plants, brewing over 40 potions, and customizing your home and garden. Released in 2021, it offers a relaxing, experimental advent

Who this is for

For those seeking a tranquil journey of alchemy and discovery, HIIS offers a calming sandbox experience where you can cultivate unique plants, brew potions, and build your own secluded haven.

Details

Overview

HIIS invites players into a serene open-world sandbox where exploration, experimentation, and cultivation take center stage. Developed and published by Bottled Fantasy Games, this title offers a unique blend of fantasy and simulation, allowing you to step into the shoes of a sage on an isolated, secret-laden island. The core gameplay revolves around discovering mystical flora, understanding their properties, and using them to brew powerful potions. Your journey is one of quiet discovery, where you can personalize your living space and garden, document your findings in a handbook, and even share your alchemical creations to aid others.

Highlights

Mystical Flora & Potion Crafting: Discover over 30 unique plants, each with distinct properties, serving as the foundation for crafting more than 40 experimental potions.
Open World Sandbox: Explore a secluded island filled with hidden secrets, mystical vegetation, and magical elements, offering a true sandbox experience.
Personalization & Documentation: Customize your home and garden, farm discovered plants, and meticulously record your alchemical breakthroughs in your personal handbook.

Who It's For

HIIS is perfect for players who enjoy relaxing sandbox experiences, intricate crafting systems, and the thrill of discovery. If you appreciate games that encourage experimentation, offer a sense of peaceful progression, and allow for creative expression through customization and documentation, this title should appeal to you. Its focus on exploration and potion brewing makes it ideal for those seeking a less combat-oriented adventure.

Game Info

HIIS is an exploration and open-world adventure game with strong sandbox, physics, and simulation elements. It was released on February 11, 2021, and is available as a paid title. The game supports multiplayer and Steam Cloud functionality, and is also eligible for Steam Family Sharing. Developed and published by Bottled Fantasy Games, it has garnered a positive reception from Steam users. The game is currently available in English.