HIIS
HIIS is an open world sandbox experimentation game, full of mystical vegetation, concealed secrets, and powerful potions. Domesticate the wild plants to farm them, brew elixirs from their products, and experiment to document their effects.
Offers
What are keyshops?About HIIS
You play as a sage, living on an isolated island, full of secrets, mystical vegetation, and magic. Customize your home and your garden, farm the plants you find in the wilderness, and brew powerful potions from their products. Write down all your discoveries in your handbook and help other people with your brews.
30+ plants to discover
Find a large variety of plants, all with their unique properties and reactions. They will be your main components for potion brewing.40+ potions to experiment with
Brew elixirs from the products of your farm and try to understand what effect each of them has. Use them to help other people or to aid your exploration.Complete quests
With the potions you make you are able to help dozens of people. Listen to their problems and go through countless experiments to find the perfect potion for their puny problems.Game details
Game details
Age ratings
Game modes
Languages
Features
HIIS price history
Lowest tracked price: £1.99 (Jul 7, 2026) · current best: £7.99.
HIIS reviews
77% positive reviews all-time.
HIIS — frequently asked questions
Where can I buy HIIS at the cheapest price?
Right now the cheapest offer for HIIS is £7.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price HIIS has ever been?
The lowest price KingsPrice has tracked for HIIS is £1.99 (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.
How can I get HIIS at a discount?
Create a free price alert on this page and KingsPrice will email you when HIIS 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.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS *: WIndows 7 64-bit
- Processor: Intel i5
- Memory: 6 GB RAM
- Graphics: Nvidia GeForce GTX 660 or equivalent
- Storage: 500 MB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel i7
- Memory: 8 GB RAM
- Graphics: Nvidia GeForce GTX 750ti or equivalent
- Storage: 500 MB available space
