This is great because you start to feel like you really know your teammates, and when they are killed, it's not just some nameless, faceless guy whose death means nothing to you. You kind of feel bad when they die, and actually view it as a real loss. This greatly adds to the immersion and realism. Equip your operatives with all the necessary tools, including guns, ammo, and armor. Your arsenal consists of a wide variety of realistic guns, ammo, explosives and armor, each with realistic physics and characteristics.
Some guns have a longer range then others, while yet others have a greater spread.
You can choose a primary weapon, a secondary weapon, the ammo to use, and the armor to suit up your team with. There are heavy suits, medium suits, and light suits, and different types of each. There are different colored suits to help camouflage you, and others to protect you against specific types of weapons and other dangers. To plan your mission, you are given a wireframe map of the level, which can be turned and rotated. You must lay out paths for each team to follow, taking advantage of any hiding spots and shortcuts that are present.