Quake II/Receiving Center

Armament
Starting the Factory unit, you should have the Blaster, Shotgun, Machine Gun, Super Shotgun, Chain Gun, Grenades, Grenade Launcher, HyperBlaster and the Rocket Launcher. In this unit you will add the Railgun to your collection of weapons.

Unit objective
The primary objective for the Factory unit is to shut down the alien processing plant. This is achieved by shutting down each of the machines in the ../Processing Plant/ level.

Level objective
The objective for this level is to find the entrance to the Processing Plant.

Strategy
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Walkthrough
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Returning from the Processing Plant
When you get back, your field computer will update your secondary objective to "Find entrance to Power Station" (although, there is no such place). You'll find that the pillars in the laser pit have begun to move sporadically around their rectangular tracks with a clacking sound. Before crossing the pit, go back to the part of the level you've already visited to collect any items that you left behind. Dropping down by the broken bridge and jumping up on the other side is easier than using the moving platforms that seem to have been provided for this purpose. How to cross the laser pit is obvious, but timing your jumps and reaching the second pillar from the first is tricky. Have the Super Shotgun in hand as you reach the other side because a Guard will suddenly appear from under the floor.

Through the door you will first meet two Icarus, then an Enforcer down in the curve of the staircase and finally a single Flyer. Use a Shotgun or the HyperBlaster as you'll be able to pick up replacement your ammunition for these levels. Walk around the tank-like structure with red buttresses to find the level exit, step in and press the button to move ahead to the ../Power Plant/ in the Reactor unit, but first, see Secrets, below.

Secrets
This level has four (4) secrets:
 * 1) After fighting the Brains and the Gladiator and using the lift platforms to get over a wall with a Flak Jacket on top you will see three wall panels facing you in the next room.  The middle one is fairly plain and the other two look like some kind of machinery.  Go up to the one on the right, then back away and you'll see that the one in the middle has dropped down.  Enter the room behind the panel to receive the message "You have found a secret area" and collect two packs of Rockets, two packs of Bullets and a Combat Suit.
 * 2) In the outdoor area that you can reach only after turning off the lasers, drop down from the walkway into the water.  Enter the low doorway underneath to receive the message "You have found a secret area" and find health, Grenades and, oh joy, the Rail Gun.  The only way back is to go past the Rail Gun. A ramp drops down, but watch out for a Parasite up above.
 * 3) Also in the outdoor area ... (add content)
 * 4) Just before you step into the unit exit, turn around and look at the next-to-rightmost buttress of the tank-like structure.  It has a pocket in it.  Take a look in the pocket and you'll see a pulsing, glowing button.  Shoot it with your Blaster.  Go back around the tank to discover that the end is now open and you can walk inside.  You'll get the message "You have found a secret area!", but the rewards are meager, just some health and Shotgun Shells which you probably don't need.