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Steam:
Mixed (14)
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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)

Minimum:

  • 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:

  • 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.
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FAQ

8 questions

Before you start looking for a cheap HERESIS key, 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.

Q

Where to buy a cheap HERESIS Steam key?

HERESIS is free to play! Download it on Steam and start playing instantly.

HERESIS is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find HERESIS on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, HERESIS is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. HERESIS has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks HERESIS as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

HERESIS does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best HERESIS deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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