Mission 3: Reach the Traitors Gate

ENDING ONE
If you just walk out from crime scene without covering your tracks. Mission is still successful but it will show that you're not an expert in covering your tracks.

Q: Where is the Traitors Gate?
A: Turn around and touch the computer screen. It will scan your hand and open the gates. Go back to the main vault door. Turn to your left and push the button on the wall to open the vault door. Get inside the lift and go to the first floor. Turn left and head to the door. Open the door and step to the other door beside the staircase. Enter the storage room and go to the far corner. Turn to your right and push the book on the shelf. This will open a secret entrance to the sewer system. Walk down the path until you reach the brick wall. Walk through the hole to enter the Sewer System again. Go to Moat Exit (5) and climb out. Enter the water tunnel to your right. Follow the water tunnel until you meet your crew at Traitors Gate.

EPILOGUE
The President will received a letter from the CIA director regarding of the successful of the mission. Too bad they have to make up with the British government because Raven forgot to cover his tracks.

  
ENDING TWO
The best ending for the game. Mission is a total success.

Q: How can I get out from here?
A: Turn around and touch the computer screen. It will scan your hand and open the gates. Before you move away, access the computer system again. Open the LOG file. Put your record to the trash bin. This will cover your track inside this safe. Head to the main vault door. Turn to your left and push the button. Get out when the vault door open.

Q: How can I cover my track?
A: You need to do these three things first (in order): get your DLU device from the Control Box 2 in the sewer, re-activate all the security system, and finally get your DLU device from the Hospital Block. Follow these steps I'll describe below.

Heading back to the Sewer System
Now head straight to the sewer. Get inside the lift and go to the first floor. Turn left and head to the door. Open the door and step to the other door beside the staircase. Enter the storage room and go to the far corner. Turn to your right and push the book on the shelf. This will open a secret entrance to the sewer system. Walk down the path until you reach the brick wall. Walk through the hole to enter the Sewer System again.

Get the first DLU device
Go back to the 8 (Control Box). Use the map to help you. Get your DLU device from the left box.

Re-activate the Security System
Go to Devereux Exit and enter Devereux Tower. Wear your gas mask before you go to the second floor. Enter the Main Security Office. Use White Security Card and enter 0042 on the panel to open the door. Step inside and access the computer system. Now you need to re-activate all the systems which you have de-activated earlier. When you're done, go to the door, insert the White Security Pass and enter 2400 to open it. Go down to the first floor and remove your gas mask. Go back to sewer system.

Get the second DLU device
Go to Old Hospital Block Exit. Use the map to help you. Pass the sleeping guard and enter the room at the end of the path. Open the right door and go inside. Use the White Security Pass on the left panel. Enter 8733 to open the door. Get your DLU device from the right box on the wall.

Go back to the Sewer System and head to Moat exit. Climb out and head to the water tunnel. Follow the tunnel until you meet your team at the Traitors Gate.

EPILOGUE
The President will received a letter from the CIA director regarding of the total success of the mission. You're really a highly trained agent Raven, congratulations.