Hello,
The demo with all the updates from the full version is now available on Steam: https://steamcommunity.com/app/3440410/discussions/0/591760110786727216/.
https://store.steampowered.com/app/3441070/HorrorCore_Demo/
Dive into a dark, claustrophobic world strange puzzles and terrifying moments. Check out the demo and see what awaits you in the full version of the game. Be careful, every second could be your last. The demo includes 2 levels and 3 modes.