HERESIS

HERESIS

Studio Chosun · January 24, 2025 · Horror, Exploration, 3D, Mystery, First-Person

HERESIS is free to play — no purchase needed. We track it so you know if that ever changes.

PC
Mixed60% · 20
This game is free to play. Get it on Steam →

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HERESIS price

HERESIS is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.

About HERESIS

About the Game

HERESIS is an immersive 3D single-player adventure game that takes you into the heart of a \. 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 UIThe interaction key \ now only appears when there are interactable objects during gameplay.2. Enhanced Clue Item DisplayPressing the \ 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 MapA 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 MapThe error where the locked sound played when pressing the \ key while away from the door lock object has been corrected.5. Cursor Hidden on ScreenThe cursor that was distracting during gameplay has been hidden.6. Changed UI Font in GameThe font used for objectives and dialogue output in the game has been changed.7. Improved Camera Lens Distortion Effect in PostProcessingThe 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 MapThe 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.

HERESIS — game info

Platforms
Windows
Player modes
Single-player
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Not recommended Feb 15, 2025
스페이스 계속 누르면 날라다니면서 티배깅 가능함
1 found this helpful
Recommended Sep 26, 2026
HERESIS is a first-person horror adventure that makes an immediate impression through its unusual combination of an abandoned hospital, religious fanaticism, and Korean shamanistic themes. Originally developed as a graduation project, it has the smaller scale and occasional roughness expected from an experimental independent production, but there is also genuine ambition behind its setting. Studio Chosun handles both development and publishing, presenting a horror experience that relies more on exploration, atmosphere, puzzles, and vulnerability than on combat. The story places the player in the role of an internet streamer who enters an abandoned hospital while investigating a mysterious pseudo-religious organization. Predictably, the investigation soon becomes much more dangerous than expected. The hospital hides evidence of disturbing activities, and the deeper the player explores, the stranger the surroundings become. Hidden underground locations expand the mystery beyond ordinary hospital corridors, gradually introducing shrines, ritualistic spaces, construction areas, and other environments connected to the organization operating there. Much of the gameplay revolves around …
Recommended Mar 30, 2025
Absolute Cinematic Masterpiece
Recommended Mar 20, 2025
1. UI 이미지 보는 중에도 카메라 시점이 움직임 UI 활성화 시 카메라 입력을 비활성화하여 시점이 고정되도록 수정 2. 무한 점프 가능 플레이어가 땅에 닿아야 점프 가능하도록 점프 상태 체크 추가 3. 캐릭터 시점이 주변 사물에 비해 너무 낮음 시점 높이를 환경에 맞게 조정하여 캐릭터의 위화감 해소 4. 마우스 감도 조절 옵션 없음 옵션 메뉴에 마우스 감도 조절 기능 추가 5. 부족한 점프 스케어(공포 요소 부족) 특정 구간에서 예측하기 어려운 타이밍에 점프 스케어 추가 게임이 너무 밝음 /조명 및 색감을 조정하여 더 어두운 분위기 연출 사운드 부족 /긴장감을 높이는 배경음 및 효과음 추가 병원 탐험 느낌은 좋았음 👍 /탐험 요소를 더욱 강조하는 기믹(숨겨진 방, 문서 등) 추가 후반부 맵 분위기는 좋았으나 레벨 디자인 부족 /플레이어의 이동 경로를 직관적으로 유도하는 환경 디자인 개선 엘리베이터를 찾으러 가는 과정에서 낙하 데미지가 없음 /낙하 데미지 시스템 추가 및 불필요한 점프 이동 방지

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