And then maybe interactive environments. Luckily, I managed to use rope arrows to climb up to the higher levels of the room, so I could have free shots at the ghoulies below. It may be a small thing as far as AI goes, but having enemies take a long way around just to get to you is something you don't see too often in games. You better get yourself elevated in that level, because those guards are going to have no problem slaughtering you as you try to open all the doors in the outlying cathedral rooms in your flight. The game shipped clean of any obvious bugs, and I actually haven't really heard of any bugs for Thief.
Thief looks great.
As far as multiplayer goes, I don't really mind. As one person put it, Thief multiplayer would be pretty fucking boring if everyone just logged onto servers and hid from each other. The developers of Thief opted for no multiplayer, which meant that all their resources were going into single-player development and testing. The end result was a game with a great storyline and no noticeable bugs. While I concede that multiplayer is a good thing, perhaps Thief is not the type of game for multiplayer.