if this is only text, and not audio and this one contains clichés). It's because that one is thoroughly worked through, you can delve deep into it and it all works out, the physiology of the foes is carefully thought out and the plot is unforgettable(the way backstory is delivered, logs, is about the same. The similarities to System Shock 2 have to be addressed this doesn't reach the level of that by a long shot, and it's not because of the lack of RPG elements or freedom(this is entirely linear). it is nifty that they can climb the walls and attack with those same tentacles), and more or less humanoid creatures that move fast or slow, and are strong or hide well.
well, zombies reanimated by plant or fish things(the designs on them aren't *that* nice. These can infest and take over people(especially the dead ones) and then mutate them, so you face. The reason for the carnage is a being that seems to have come from the bottom of the sea, and that must not be allowed to come back to civilization. When the US coast guard, responding to an SOS, checks out a seemingly abandoned whaler, only Sven Hansen(isn't that just the most American name you've ever heard?) survives this initial search and rescue.