You will also meet a lot of thug guards. Much of the game is set up to allow for stealthy characters to find noncombat solutions to finishing the levels. So you can expect to see a fair share of guys on patrols or performing some interesting activities. It can be great fun to listen in on the conversations that the NPCs are having or sneaking up and catching them off guard playing a game of cards.

So long as the player successfully sneaks around, most levels will be much easier. But NPCs can be alerted by many different things. The player could alert them by walking too close and making audible footsteps, firing weapons, walking in lighted areas, knocking over physical objects, and so on. Then the NPCs will come and check out what's going on. Of course, this can be to the player's advantage, as you can use it to lead them away from key places.​