Sub Terra is a first person psychological horror game set deep underground. As a maintenance worker, your job is to fix a broken water line at the end of tunnel 04-R. Enter the tunnel, repair the pipe, and get out.
System Requirements
Minimum:
Requires a 64-bit processor and operating system
OS: Windows 10 or higher
Processor: Quad-core Intel or AMD 2.5 GHz or superior
Memory: 8 GB RAM
Graphics: Any DirectX 11 or 12 compatible card
Storage: 10 GB available space
https://store.steampowered.com/app/3696090/Sub_Terra/