To start off, just move forward, and kill this guy to get his gun, then just head the same way as the truck.

Follow the direction of the truck, through the tunnel, and kill the guards you come across.

The path curves to the left, at these security doors. To open each door, press "B" at these panels.

Once through the second door, pick off this guy, so he won't set off the alarm.

Get to the alarm that's on this guardhouse, and destroy it. Kill the guards who will come out of that building.

Head to the back of that building, around the crates, and install the convert modem on the computer. Make sure you don't miss.

Turn back and to the right, and shoot of this lock with any gun, so you can pass through the gates.

Stop at the first guard tower on the dam to destroy it's alarm. You might have to kill the guard patrolling on top, if he hears you and decides to come down. It might be better to use the silenced PP7 to destroy the alarm.

Pass by the second tower, and go into the third, destroying it's alarm before heading down the stairs.

Head along the inside of the Dam, killing all the guards there, so they won't be able to shoot you from behind.

Use your KF7's zoom lens to pick off some of the guards from a distance, because it'll be harder for them to hit you from this far.

After quite some travelling, around a straight, yet curvy path, you'll reach this door. Make it open with "B"

Move forward, and shoot to attract the guards, and blast 'em all.

Head over to this mainframe, in the left corner of the room, and press "B" to intercept the data. Once done, just head back.

Go up the second set of stairs you come to, the one with a number 3 on the cement.

Once up the stairs, you'll be in this guard tower. Destroy the alarm beside the door.

Head out the door, and straight ahead is the platform. Walk off the platform to complete the level