MANA is full conversion mod made in Amnesia engine that is more a piece of art than actual horror (like Destiny Rebellion for example)
These are demonstration images to show how does the game look like. According to these images you may judge if you may like this or it is not your cup of coffee.
Explore. Discover. Solve the mystery.
Is this from "A laugh in the darkness"?
Your obesrvation is valid. Why does this remind of "A laugh in the darkness" is quite clearly stated in the mod. I also had short conversation with the author.