Yes, it's a good game. I think most here would agree. Gave us action oriented survival horror before Resident Evil 4 came along. The HP Lovecraft theme is great. Insanity effects are brilliant, though sometimes too gimmicky. Personally, I loved the fantastic magic system and body part detection combat system more than anything
It broke the stereotype, by going in a direction no one had either gone in before, or EXPECTED anyone to go in. It's not a shooter btw it's more puzzle. I guess I'd say it's a brain-screw.
To quote stuttering craig of screwattack.com, "The whole purpose of this game is to f%&$ with you." It literally made the player question their sanity. No, not the game character, the one playing the game. It's freaky.