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Portal 2 Easter egg guide: 30 secrets and references you may have missed

Rat Man Den #4


Chapter 3, Test Chamber 11

Pop behind the bridge-emitting wall panel in this chamber for a fleeting glimpse of Wheatley as well as the Rat Man’s fourth den. Wondering why his murals are always so strange? According to the comic Portal 2: Lab Rat – which is where most of Doug Rattman’s sad story is told – he is a diagnosed schizophrenic who must go off his medication while hiding from GLaDOS. Thus, the crazy paintings, crazy messages and crazy infatuation / conversations with a Companion Cube he believes is sentient.


Rat Man Den #5


Chapter 3, Test Chamber 12

More fascinating background on Doug Rattman, whose fifth den is located above the ceiling of this test chamber: He didn’t just escape and hide from GLaDOS. He plotted to destroy GLaDOS, searching for the perfect test subject (guess who) and moving her to the top of the experiment list so that she would automatically be first to confront the homicidal computer. When he realized that Chell had been dragged back into the facility at the end of Portal 1, he attempted and failed to rescue her, but he did manage to place her in long-term stasis, thus setting up the events of Portal 2.

What happened to Doug Rattman while Chell slept? According to the comic, he was shot by sentry turrets, then slipped into unconsciousness. Surely he died in the 9,999,999 days since… unless he also entered hibernation.


Rat Man Den #6 (with miniature turret orchestra)


Chapter 3, Test Chamber 16

Use the laser to destroy that grate you passed on your way into this chamber and you’ll be rewarded with far more than another Rat Man mural – beneath the floor of his sixth hideout is a quartet of singing turrets!

Precious, aren’t they? Foreshadowing, too.


Rat Man Den #7 (with hidden developer commentary)


Chapter 3, Test Chamber 17

There are two entrances to this hideout – through the broken window near the ceiling or through the open wall panels on the adjacent wall. Our video demonstrates using light bridges to reach the latter. What’s inside this final Rat Man den? On a regular play through, nothing but more murals, beans and mugs. By the way, have you read the writing on those mugs?

Anyway. Enter this room with developer commentary turned on and you’ll find a speech bubble. Hit it for more of the shrill modem audio we heard in Rat Man Den #3. This time, the noise decodes to tongue-in-cheek information cards on the Portal 2 alternate reality game created by Adam Foster.


Take GLaDOS’ escape advice


Chapter 4
Unlocks “Good Listener” Achievement / Trophy

While escaping from the test chambers with Wheatley, the always helpful GLaDOS will offer you an easier alternative exit. If you’re smart, you ignored her and ran in the opposite direction. If you’re curious or completionist, however, you took the bait… and, after a brief glimpse at the outside world (i.e., fake plants), received a lethal lungful of neurotoxin. Worth a shot!


The Oracle Turret


Chapter 5
Unlocks “No Hard Feelings” Achievement / Trophy

Save this lonely, discarded turret from the “redemption” conveyor belts and you’ll receive something much more interesting than the Achievement or Trophy – prophetic knowledge of the past, present and future. Once held, the Oracle Turret spouts cryptic sayings that hint at a surprisingly deep knowledge of Aperture’s history:

“The answer lies beneath us.” A clue to the original 1950s-80s test spheres buried below the modern labs?
“Her name is Caroline. Remember that.” Indeed. For anyone still unconvinced of Caroline’s true identity by end of game, this seals the deal.
“Get mad!” “Don’t make lemonade!” Quotes from Cave Johnson, who did try to upload himself into a computer near the end of his life. Perhaps the turret holds a piece of Cave’s personality.
“It won’t be enough.” Either a doomsday prediction of the future, or another memory of the past. Doug Rattman wasn’t convinced adding a morality core to GLaDOS would be enough to quell her violence.
“That’s all I can say.” You tease!


Stand in the scanner

Chapter 5
Unlocks “Scanned Alone” Achievement / Trophy

So easy, and yet so easy to miss. After you’ve removed the working turret from the scanner, but before you’ve replaced it with a malfunctioning turret, stand in the machine yourself. Once the blue lasers have analyzed you, the Achievement / Trophy will pop up.

Next page: Half-Life references, Greek mythology and Chell’s origin story…

Topics

Valve

145 comments

  • Nick90 - May 26, 2014 6:24 a.m.

    Great, thank u guys!
  • CaveJohnson - April 22, 2014 7:12 p.m.

    Guess what everyone? You can actually see Doug Rattmam in the game!!!!!! During turret opera, you can see him traveling with his companion cube! hehe..... I won't tell when or where you will see him.. >:-) A little gift from CaveJohnson ;-)
  • KingAntonius - August 18, 2014 5:57 p.m.

    Holy hand grenades...he's there! He almost didn't look human, extremely paranoid though.
  • pierre-jassogne - September 22, 2014 2:01 p.m.

    it's not rattman , it's a frankenturret . sorry dude
  • jack-white - April 9, 2014 6:20 p.m.

    Hmm is that box at the end a message from GLaDOS or rat mans companion cube think of that one
  • Denelz - April 4, 2014 1:52 a.m.

    Anyone els noticed the moon cycle on the ceiling in the firs chapter among the paintings done by Rattman. The numbers are mirrored and it's some weird markings within the cycle. WHY MIRRORED NUMBERS?!?!
  • Zeusthemonk - January 1, 2014 9:59 p.m.

    One easter egg is when that you can leave the game and outside of the game is Glados and the cake with the companion cube
  • realdealman456 - March 3, 2014 6:14 p.m.

    How do you do that
  • McKnight - September 2, 2013 2:01 p.m.

    Here is a weird one, in the co-op hub if you jump off the right side you can clearly see a lamp post.
  • DiscardedSlinky - August 19, 2013 1:32 p.m.

    I read through all the comments and here are the ones you missed. 1.)My favorite one which is Rat Man muttering to himself behind a wall in the den with the secret commentary and coffee mugs. Stand close to the wall with the Mural and listen closely. This is what you'll hear: http://www.youtube.com/watch?v=SVckngF-xgM There is also a way to get under the room though there is nothing exciting down there. Shoot a portal through the fan in the middle of the room. 2.)A really funny one which is a Fat Turret in the elevator before you ride up. In the raw files of the game it is named "turret_wife" http://www.youtube.com/watch?v=tbQYtI1lp-Q 3.)One I found myself actually which is in Chamber 7 the Companion Cude very softly plays the turret opera theme. http://www.youtube.com/watch?v=6fbdHyr38Uc 4.)A core (Possible Atlas, or Wheatly) peeking his head out of a panel near the lift in chamber 7. I can't find a good video for this but I found it in the game myself 5.)You can trap yourself in many test chambers in Portal 2 which will comes with funny dialog. http://www.youtube.com/watch?v=AJGXN93CNq0 5.5.)Kinda a Easter egg, but if you look closely in the turret opera you can see one of Wheatly's box turrets crawling around and a Companion cube jumping. http://www.youtube.com/watch?v=_kPyGvqNn4Y 6.)In the very first room of the game not only does the Painting change to the moon and darkness the walls do aswell. Having a surfer on the beach being replaced with a wolf howling at the moon. 7.)SirMcMuffintosh gave a fantasic one. In the second Rat Man den, you see the file with papers flying out. Look at the numbers--- http://half-life.wikia.com/wiki/File:Ratman_thenational_02.png ----That made me wonder... Why those numbers? So, I decided to look around, and found this--- http://www.thinkwithportals.com/comic/#11 8.)The third project at the "Bring your daughter to work day" expo is signed by one "Alyx". This means that either Eli or his wife or both have worked at Aperture once.
  • SherlockandWatson - June 26, 2013 7:53 p.m.

    In Ratman den #7 if you throw a portal in the room underneath the big fan on the floor I'm told (well not really TOLD I saw a youtube video that just told you how to get there then ends) you can find Doug Ratman muttering to himself! ( I am on my way to chamber 17 to see if this is true)
  • Qwert5638 - June 13, 2013 11:32 p.m.

    Has nobody noticed the leopard-spotted turret during the cara Mia song? Look for it, it's at the back. Huge Easter egg!
  • zane-cole - June 24, 2013 10:36 a.m.

    its kinda hard to miss haha, that's the king turret,
  • pingpongpanda - June 9, 2013 12:17 a.m.

    You know the painting changes after you go to sleep? Well its the same thing with the wall with the palmtrees. It goes all stormy lol!
  • Dommo - February 21, 2013 6:37 a.m.

    In Cara mia there are these following things 1. There is the heart companion cube doing flips and flying in the background of the bit where there are the turrets in the rooms before that huge hall 2. Just after king turret does the loud base you can see one of wheatelys Franken cubes (turret cube morphs) walking along the row of turrets 3. That big turret from the quartet in the chamber 4. The painting of chell in the room where you get the blue gun there is e satanic voice that the other comment , there also a lab rat reference : the chell painting is the front picture
  • amelia-mia-garcia - July 17, 2012 8:28 p.m.

    They missed something on this list. In chapter 3 chamber 17 they say if you dont have commentary on there's nothing there. When you go into Ratmans hideout on a normal game if you stand by the graffiti wall with the picture of chell painted on it turn the volume up and make sure the music is on, if the music is off you wont hear it. When you stand by the wall you can hear Ratman chanting in the depths somewhere. Its barely audible but someone used software to clean up the sound. What he's chanting : Guilty, Doug Rattman! Nothing is a must; who's in charge? I had no choice! Help me, Uncle Johnson; help me to design. Look at me,.....combustible lemons. Mutilation, mutilation comes to [garbled] shift has started. The shift has started; I let you down, men. I feel pain in me now, pain; it's a horrid fume!.. She is dead, she is! Please, look at me, Doug! Children!... The prisoner's gone! The metal voice won! [garbled] Johnson! Will you help me? Help me work, Cave http://www.youtube.com/watch?v=MTJpYsfvM_Q
  • Wouzz - March 18, 2012 11:49 a.m.

    Tremendous compilation, I started a new game just for it! :) As a modest contribution, here's one I just found myself while playing, and that does not seem to be part of your (awesome) list: In Part 8 - chamber 15, at the beginning when Wheatley starts tearing apart another room on the right, stare closely at the part of the room that does not move (on its left). Zoom in and... WHOA! Who's this ? :) Here's a video of it, not by myself though: [SPOILER ALERT] http://www.youtube.com/watch?v=CXACeach1kg
  • poly_dog - February 6, 2012 5:53 p.m.

    I was replaying the beginning part (The Courtesy Call) and found something that *might* be an easter egg. Remember Portal, where a cake icon was displayed on the sign for the test chamber? In place of that is where the incinerator leads to (the part where you replace the template turret with the defect, and you later see the turrets falling into there after being thrown in the incinerator). Just thought that was interesting... http://oi44.tinypic.com/1hp9pv.jpg It's in the lower right corner. That's where the cake icon used to be.
  • poly_dog - February 6, 2012 5:55 p.m.

    In addition: I noticed this in test chamber 4 at the beginning of the test chamber. I'm not sure if it's in any other ones. Please let me know if it is.
  • randomfangirl - January 28, 2012 4:20 a.m.

    since you added the Moby Dick quote... At some early point in the game, GlaDOS starts telling Chell that "[she] saw a deer today". This is also the title of one of the songs in the official sound track. It seems to be a misspelled qoute from Robert F. Young's "The Dandelion Girl", a scifi short story, were, on the first meeting between the two main characters, the following is said: "Day before yesterday I saw a rabbit, and yesterday a deer, and today, you." This is interesting because: a) There are plenty of time traveling references once you reach the 1952 aperture's facilities. b) The story is about a girl traveling back in time and becoming her husband's secretary before marrying him. Something about Cave and Caroline's relationship might be implied here.

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