I'm shocked people like Dead Space. When I played it on PC it was a horrible mess of a game. To start, it was a technical mess with a couple game-ending glitches and its mouse implentation is the worst I've ever seen in a game (Seriously; I had to use my mouse's enhanced sensitivity settings while also maxing out the in-game sensitivity for it to behave even SEMI-NORMALLY.) All of the atmosphere established in the game is immediately undone by subpar visuals and corpse physics that put even Dark Souls to shame.
If you're crazy and want to score games, an argument could be made to score DS a 6/10 (if you've conveniently forgotten about the zero-G segments and the turret sequence) but otherwise I would lump it in the illustrious 5/10 bargain bin. Standardised to a proper score, it would be a 3/5 in all cases.
The verdict: If you want to play a bleak and depressing game play
Recettear instead. There are no truer horrors than those in a high-fantasy, capitalistic society.