The game was originally slammed for numerous reasons. Too hard (aka, good difficulty), clunky controls (aka, well design controls that allow for mastery), confusing (good level design), bad combat (good combat with lots of nuanced mechanics), lack of map (there's a map in the manual that you have to complete) and of course the eternal critique that it was too short (aka, well paced and well designed).
It plays very similar to the Hookman Build of Resident Evil 4. The camera is fixed but if you press the shoulder button you go over the shoulder with a laser-sight to aim. You can walk and shoot at the same time though. You have a "resistance" gauge that drains while running, but has other uses. You see, the game takes place on a ship and outside there's a storm going on. The ebbing of the ship plays into the game's mechanics and you can fall overboard if you don't hold on for instance. There's also melee functions and more, even a finishing blow.
At the end of the line is an Extreme Mode which is basically Akumu, aka you die in one hit. Really well done game so far. Spooky too. I'm going to probably dive in deep into this game.
A complete run of the game without commentary: