What is Horror Engine?
Horror Engine is essentially a tool for designing horror games that was initially released in September 2018 and included in the Permanently Free Collection under the sponsorship of Unreal Engine in September 2019.

So why it is on Steam?
This official demonstration aims to shed light on what game enthusiasts who aspire to create their own games can actually achieve, even without knowing how to code. It encourages them to take the first step and motivates them by showcasing what they can accomplish.