Survival & Horror: Mortanis Prisoners Prologue

Survival & Horror: Mortanis Prisoners Prologue is a first part of the full game:
https://store.steampowered.com/app/2354120/Survival__Horror_Mortanis_Prisoners/

Mortanis Prisoners - a survival horror game set in a Third Reich concentration camp where the camp's leadership, upon discovering a planned rebellion, orders the execution of all accomplices. Two main protagonists encounter an even more terrifying fate. Will they be able to escape the nightmare?