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HERESIS is free to play! Download it on Steam and start playing instantly. Looking for HERESIS DLCs, in-game currency, or cosmetics? Compare 1 offers on XD.deals to find the best deals.

Steam:
Mixed (14)
Keyshops
Unavailable
Buy in Official Store:
Free
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Official Stores (1)

DRM:
Steam
Steam
Steam
HERESIS
Windows
3w ago
DRM:
Steam
Steam
Free
Historical Low Deal
Historical low

About HERESIS

HERESIS - about the game

Step into an abandoned Korean hospital as an internet streamer, uncovering secrets of a pseudo-religious group amid shamanic mysteries. This indie 3D single-player adventure blends horror and escape elements, where you navigate eerie environments, collect clues, guess passwords, and evade threats to break out. Recent updates refine clue displays with intuitive hints, add a first-floor hospital map for navigation, and tweak enemy behaviors like shaman, fanatic, and doctor movements for sharper challenges. Players tackle obstacles in areas such as the underground shrine, construction site, and psychiatric ward, using improved UI, save functions, and settings for mouse sensitivity and sound. Free-to-play on PC, it draws solo explorers who relish clue-hunting puzzles and tense evasion in a focused horror-escape loop.

About the Game

HERESIS is an immersive 3D single-player adventure game that takes you into the heart of a [Korean Hospital & Shamanism]. Combining Horror, Escape, Adventure, this experience invites players to delve into a hospital with mysterious shamanic elements, unraveling secrets and facing challenges along the way.

As Internet Streamer, you’ll embark on a journey to infiltrate an abandoned hospital and find out the secrets of a pseudo-religious group. Explore mysterious environments, overcome obstacles, and engage with collect clues, guess the password, and escape from the hospital. 

Hello, we are Studio Chosun, the development team of HERESIS.

We would like to express our sincere gratitude for the interest many users have shown towards HERESIS, which was released as our graduation project. We are continuously identifying areas for improvement and will strive to present a better game through irregular updates.

Thank you.

HERESIS 2025.01.30 Patch Notes

1. Improved Central Focus UI

The interaction key [E] now only appears when there are interactable objects during gameplay.

2. Enhanced Clue Item Display

Pressing the [E] key in front of clue items will display a UI showing the order of the clues and descriptions of the items. Additionally, the password hints for clues have been made more intuitive.

3. Added Floor Plan for First Floor of Hospital Map

A floor plan has been added to help players identify their current location, the location of clue items, and the layout of the first floor of the hospital.

4. Fixed Door Lock Sound Playback Error in Hospital Map

The error where the locked sound played when pressing the [E] key while away from the door lock object has been corrected.

5. Cursor Hidden on Screen

The cursor that was distracting during gameplay has been hidden.

6. Changed UI Font in Game

The font used for objectives and dialogue output in the game has been changed.

7. Improved Camera Lens Distortion Effect in PostProcessing

The lens distortion value has been lowered to help alleviate discomfort during gameplay.

8. Removed Looping Cutscene Error in Underground Shrine Map

The looping cutscene that played at the start of the underground shrine map has been removed.

9. Improved Character Behavior Logic

  • The movement of the Shaman character in the underground shrine map has been improved.

  • The movement and attack judgment logic for the fanatic character in the underground construction site map have been enhanced.

  • The action range and movement of the Doctor character in the underground psychiatric ward map have been adjusted.

10. Removed Fall Area in Emergency Room of Hospital Map

The area where players could fall out of the map due to an open door has been removed.

1. Addition of user settings features such as mouse sensitivity, sound, and resolution.

2. Save and load functionality for progress information.

3. Addition of attack judgment and motions for each character.

4. Improvement of the UI graphics for the first-floor door lock.

Interface:
Korean
Subtitles:
Korean

Age rating

Unavailable
Steam:
Mixed (14)

System requirements

Minimum:

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 (64-bit)
    • Processor: Intel Core i3-2100 / AMD FX-6300
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GeForce GTX 750 Ti / AMD Radeon HD 7850
    • DirectX: Version 11
    • Storage: 2 GB available space
    • Additional Notes: 720p 해상도에서 30fps를 목표로 설계되었습니다.

Recommended:

    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 (64-bit)
    • Processor: Intel Core i5-4670 / AMD Ryzen 3 1200
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 / AMD Radeon RX 580
    • DirectX: Version 11
    • Storage: 2 GB available space
    • Additional Notes: 1080p 해상도에서 60fps를 목표로 설계되었습니다.
Historical low
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Price history from keyshops
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FAQ

8 questions

Before you start looking for a cheap HERESIS CD Key, take a moment to check the essentials. Developed by Studio Chosun. Published by Studio Chosun. PC released date: 23 Jan 2025. Genres: Free To Play, Indie. Categories: Single-player. HERESIS reviews: Steam reviews: 64% of the 14 user reviews for this game are positive.

Q Can I play HERESIS on Steam Deck?

No, not right now. Valve marks HERESIS as Steam Deck Unsupported, so it won't launch via Proton at this time. Keep an eye on XD.deals - we track Proton breakthroughs and community fixes, and we'll flag it the moment there's a working way to play HERESIS on Steam Deck.

Yes. A HERESIS Steam version exists. Pick any offer tagged Steam Key on XD.deals, redeem it in the desktop client, and play HERESIS on Steam PC.

Yes. Once your Steam key is redeemed, you can launch HERESIS in Offline Mode via Steam. Your save files will sync the next time you go online.

Yes, you can buy a HERESIS Steam Key directly on the Steam Store. At XD.deals, we aggregate all available Steam DRM offers so you can compare cheap HERESIS steam deals in one place.

You'll find every live sale & discount for HERESIS right here on XD.deals. Our price tracker currently lists 1 official-store offers and 0 keyshop deals. Check the table above for the lowest price, compare against the game's historical low, and set a price alert so you never miss the next drop.

With XD.deals, PC gamers can instantly see where to buy a cheap HERESIS PC Steam key. Our real-time price-comparison engine and curated coupon database track every official store and trusted keyshop so you dont have to. Right now we detect this game in {1} live offers from stores and keyshops.

Yes. An official HERESIS Steam store page is live, so you can buy HERESIS on Steam or buy any HERESIS PC Steam Key on XD.deals and redeem it instantly.

No - XD.deals itself isn't a store. We're a price-comparison service that tracks the best offers for HERESIS across official stores and verified keyshops. Click "Shop Now" next to the deal you want, and you'll be redirected to the retailer's website to complete your purchase and receive the key there.

Best prices for HERESIS

1 Steam Steam Official
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