This game deserves to be mentioned alongside some of the other ground-breaking games of it's time such as the Halflife series and Metal Gear Solid.
It takes the stealth genre and does something never seen at the time in creating a rich first person view and implementing stealth successfully around it. The core mechanics and gameplay is successfully realised and overall playing the game is a very enjoyable experience.
As with most games from around this time there are things that could be polished and lady time has left one or two marks on the product visually but despite this I found the game very playable and an improvement on it's very solid predecessor.

Thief TDP/Gold but it's just better in every way.

The second part of the best stealth game on planet earth. There's a lot less supernatural than in the first part. The gameplay is generally the same. The levels have become much better. The last 2 missions were completed in a hurry, which is immediately obvious. Except for that, the game is a masterpiece.