You will definatly want to play this game!!
This game provide some good challenging maps with great detail and the scope of the game is just great for the time it came out. You won't be stuck in the same type of environment for too long as they all vary from Haunted Cathedrals to big mansions to underground tunnels which fit together to the story and game beautifully.
I am only scratching the surface of what this game can do for you and I will recommend this to anyone out there looking for a great stealth game with good story telling and beautiful environments for the time in which it came out in. So what are you waiting for, get out there and buy this game as it is definatly worth the money.