Quake II/Comm Center

Map Name	Initial Coordinates
base3	(1688 1412 -785) : -180° (facing south)

Level objective

The objective of this level is to locate the communication center ("Comm Center").

The sewer is the rear entrance to the Comm Center. The first room has a gap in the floor grate leading to the water below; it contains a Grenades item. The second room has a Rebreather, (~ "Underwater Breather") and Shotgun, and has a large, open pool of water.

Tip: This room also is the secret access to the Lost Station, where you can find a Super Shotgun. Having this weapon is very helpful before proceeding further in the Comm Center.

The door from the second room leads to a new enemy, a Parasite, which will appear from the darkened ramp in the floor. Hit the Parasite with sustained machine gun fire and keep it at a distance so it can't reach you with its deadly probe. To continue, climb up the stairs. To get the Quad Damage, jump up onto the explosive radioactive container closest to the crate and jump up onto the crate. If the containers are already destroyed, execute a running jump from the nearest stack of crates.

Go up the ramp and down the hallway to the left. Proceed through the doorway, turn left, ignoring the empty cylindrical tank for now, and go to the courtyard outside. Turn left, but be careful not to enter the room immediately: The boxes with black and yellow diagonal stripes are explosives that can kill you, and they will detonate when an Enforcer presses the alarm button in the corner of the room. After you kill the Enforcer, take the elevator up and proceed along the catwalk to the communications room.

Defeat the enemy guards in the Comm Center to disable the laser beam barrier, and activate the communications station to get the Blue Key.

Returning to Installation

If desired, you can run-jump from the mezzanine walkway to get the Environment Suit (~ "Enviro-Suit") on top of the stack of crates, and then jump onto the catwalk at the bottom of the cylindrical tank. An Adrenaline vial, found in the room at the bottom will restore health. Activate the Enviro-Suit just before you press the green button at the opposite end of the catwalk. The tank fills to the brim with corrosive green slime; swim up and step out of the tank.

Head back outside across the courtyard and through the locked door, now opened by the Blue Key.

Secrets

This level has two (2) secrets, although it's hard to see how you could find the first and fail to find the second:

1. In the second room that you come to after starting the level, start down the steps into the water, then turn to the right and dive down through the small, jagged hole in the floor of the water pool. Swim in the direction away from the steps through some underwater tunnels and come up in a dim, ruined room to receive the message "You have found a secret area". Although there is a Rebreather in the second room, which you should take on your return, there is no need to use it now if you don't dally underwater. There is nothing but rubble in the room that you come up into, but if you step through the hole in the wall you will find some dead Marines, a MedKit and some ammunition for the Machine Gun. Retrace your steps to return and continue the level.
2. If you found the first secret, you probably noticed the elevator near the dead Marines. Go in and push the button to receive the message "You have found a secret level". The elevator will take you to the Lost Station. Play through and return the way you came to continue the Comm Center level.

• Gallery : Finding the secrets in the Comm Center Level
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  Swim down through this hole, not the larger one.

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  Follow the underwater tunnels and swim up.

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  There's nothing in the secret area but a broken wall.

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  Through the hole there's a room with an elevator.

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  The elevator takes you to a secret level.