If the first time you run HELLSEED it says you to re-install Physx drivers don’t worry it is a known problem that appears on some configurations.

Simply restart your PC.

If restarting PC doesn’t solve the problem follow these steps:

  • 1 – Unistall Physx
  • 2 – Reboot PC
  • 3 – Install physx located in steamapps/common/HELLSEED/3rd
  • 4 – Reboot PC
  • 5 – Run HELLSEED

For more info see the related community topic:


HELLSEED uses OpenGL graphics library.
In order to achieve the best experience with HELLSEED we suggest some operations related to graphics card your system owns:

Go to the NVIDIA control panel and enable "Triple Buffer".
When starting HELLSEED check "Wait Retrace".

Go to the AMD control panel and, in "Settings" -> "Graphics" enable "Enhanced Sync".
When starting HELLSEED check "Wait Retrace".


Our game is powered by our proprietary engine S2ENGINE HD.
The engine is available on STEAM to be used by other companies and indies:

About the Game

HELLSEED is a first person horror adventure with puzzles and some action elements.


Italy 1980,

some doctors of a psychiatric hospital in province of Turin report the missing of a colleague of their own to the police.
You are the detective investigating about what happened.
The first place in whch you start the research is the house of the doctor.
While in the house, many strange things will happen and a dark presence will seem to follow you everywhere you go.
What does it want from you?
What is the relationship between it and the doctor?
Is the doctor really missed?
Is he dead?

All these questions and many others you will have to answer for discovering the truth and completing the game.
Be careful and don’t panic, someone will try to catch you and take you to hell…


  • Realistic graphics:
    Thanks to the power of S2ENGINE HD the game performs a photorealistic environment that will completely immerse you in the detective’s shoes.
  • Horror atmosphere:
    The game is inspired to the atmosphere of classic italian horror cinematography, with a lot of jumpscares and references to Italian culture.
  • Intriguing story:
    As detective you will discover all the secrets of the house and its tenants.
  • Puzzles and investigation:
    Using a well-structured inventory, during the game you will be able to collect and examine objects and use them when you need to solve puzzles.
  • Chasing Gameplay:
    A dark presence will start to chase you at a certain point in the game, you have to run and hide using what the environment offers to you.


PC requirements:
  • OS: Windows 7,8,10
  • Processor: Quad core
  • Memory: 8 GB RAM
  • Graphics: Geforce GTX 560, Radeon RX 550 - 4 GB VRAM
  • OS: Windows 7,8,10
  • Processor: Quad core hyperthreading
  • Memory: 8 GB RAM
  • Graphics: Geforce GTX 1060, Radeon RX 570 - 6 GB VRAM

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