- Chain Game
- For people who pre-ordered through steam
- NEW Breakthrough in the Potato ARG
- multiplayer on pc
- PS3 Version Question
- coughBOREALIScough
- Important Cross Platform Clarification
- Torn about Portal 2 purchase.
- Will we be able to change language?
- Anyone else getting left behind with the engine improvements?
- Steamworks
- Question that most have asked
- Valve ARG Wiki
- Portal 2 spice
- Pre-order box-art
- Hugging Thread for Co-operative Testers
- Two pack - need partner!
- Word game at the mean time?
- Sticky Gel
- I bet theres another investment opportunity video out tomorrow...
- What to choose?
- PS3 Users Can Get Episode of Qore that is all about Valve Studios and Portal 2!
- Don't you think it kind of stupid?
- Portal 2 Demo
- Is the Weighted Cube and the Energy Balls going to stay?
- New video, kinda
- Portal 1 Bridge to Portal 2 ARG Up and Running
- PS3/PC
- So, Will Portal 2 Change Valve's Release Schedule?
- Final Transmission
- Yay!
- Blood and Portal 2 Discussion.
- Portal 2: The Cube Edition.
- Portal 2 steam release date is up
- [POLL] Bot Names?
- The comound is Riboflavin!
- Moving Portals?
- Your release day countdowns
- Tier 3 Early Version of Chamber 5
- Xbox 360
- We must delay portal 2 with gabe newell fat jokes!
- Differing release dates for NA and EU with Steam?
- Reviews
- Preload
- Energy Pellets are in the SDK!
- [POLL] Which are you going to play first, Single Player or Coop?
- Aperture Investment Opportunity #3
- Last/End Song
- Aperture Investment Opportunity #3: "Turrets"
- Is it true?
- Aperture Investment Opportunity #3: "Turrets" is out
- What the heck is this
- Aperture Investment #3 Hidden message decoded!
- Is THAT Cave Johnson ?
- Home safety turret installation guide
- The Code On New Video .?
- UK steam release
- Playing Co-op on PC and PS3
- Weird Face in new trailer.
- Portal 2 ARG continued
- Another extra Portal 1 give-away
- DougTato speaks
- Question about the ARG. Literally.
- CHOMPSKI?!
- Weighted storage spheres
- Modability for 3+ players?
- 2 Pack Gift Question
- Corrupt-A-Wish! (Portal EDITION!)
- Portal Two pack (split the cost)
- A trade for Portal?
- Will the Portal computers return?
- Whats the relation about portal release and last "killing floor" news
- @Dougtato
- TF2 Updated
- Anyone got an extra Portal 1?
- Portal 2 spray paint stencil ideas???
- Quick Question.
- Need volunteer for updates.
- Apeture Science Site update
- Will portal 2 work on this pc
- ULTRA CONFUSED!
- Portal 2 and Nvidia GeForce 6200
- Turret trailer code
- Boxed Turret symbol meanings
- Is Portal 2 worth it? and does it support DX 10 or 11?
- Portal 2 is E10+, but Portal is T
- A question about the custom (?) maps
- VVVVVV will be included in the ARG.
- OH MY.
- Test Chambers
- Preload?
- Perhaps another ARG clue?
- Game Length Worries
- Background picture.
- Has valve made any announcement about going back on letting ps3 owners install on pc?
- Figurines!
- Maybe this is where the "potato" madness is coming from ?
- 13 Days Left!
- demo
- So what does this mean?
- Some more clues
- Potato = cake?
- What if... (ARG speculation)
- Does this page have to do with the ARG?
- is this old?
- SDK for Xbox?
- Different prices
- Portal TV Spot UK
- The Red Phone: A portal fanfiction
- Cleared voices from the Eye video
- Portal: Still Alive on sale in prep for Portal 2
- [POLL] Do you think there will be a ep3 ARG in Portal 2?
- Portal 2 ARG - Anything and Everything you need to know.
- Portal 2 Comic
- Will Portal 2 support Xbox wireless controller for Mac natively?
- With one PS3 copy can a couple play one on PC one on PS3
- Portal Mod Rattmans Tale
- Reports of Glyph found on LA Bus.
- Unusual texture found in Portal GCF
- portal 2 co-op PS3/PC/MAC working together
- you can't return PS3 copy of portal 2
- Stretchy blocks?!?
- A Portal 2 Wallpaper
- co-op mode and single-player mode
- Potato & Science
- National Potato Day
- GTTV to have more Footage and whatnot tomorrow?
- PS3 Portal Question! Help!
- Question concerning Portal 1 Code
- Free Portal Please?
- Portal 2 co-op friends :D
- Puzzle Flash Games While You Wait for Portal 2!
- The Cake..?
- Decay, a short Portal fanfic/poem
- Portal 1 *my-bday*
- ARG researchers hack game files- calls it "bigger and cooler than you thought"
- Just one doubt beween me and this game...
- I see potato... everywhere.
- [POLL] Will Portal 2 be the best game ever? (Opinion)
- Any splitscreen on PC?
- Portal 2 Ad in Germany
- German "Turrets" Video
- G3's Portal 2 Contest - Free Copy
- Imagine: Portal 2 Death match
- How will co-op be organized?
- ASCII Converter
- I just got an email from gamestop....
- About the free steam version when buying the PS3 one....
- Favorite new Portal 2 feature
- Anybody solve the ARG puzzle in Cogs?
- How will Lobby work?
- GUYS, THE LIFE SIZE ATLAS CONTEST IS REAL AND NOT A JOKE HOLY CRAP
- Wide Knowledge of the Late Madness
- TV spot.
- TV spot.
- Final Gel
- Anyone want to trade games?
- Quick question for all you smart portal thinkers out there...
- How to get the ARG pin?
- Will steam preorders get custom bots?
- Portal two release soon!
- I hope VALVe will read this
- About PS3 pre-orders
- Free Portal 1?
- Portal 2 Songs
- What about the NAME of the pin?
- I haz no clue what ARG means
- why always crashes when i saw the new xmas room flash
- ARGSolver Group
- Missing Pieces :(
- Portal Fan Art Gallery
- Portal 2 UK Release?
- Guardian Previews Portal 2 with new Screens!
- The Next Investment Video?
- Just noticed this...
- A question about languages
- Can a Mac user player co-op with a PC user?
- Portal 2 TV Spot Parody - Made in Garrys mod
- CVG brings 3 new screens Ft. Wheatley!
- Pocket-Lint Hands-On Portal 2
- Hey Valve, how about some promotions for those who pre-ordered P2 on Steam?
- Question about gifting a two-pack?
- Possible location of "No hard feelings" achievement?
- Where Does Portal 2's Co-Op Campaign Fit Into the Half-Life Universe?
- HDR
- Question About the EA Showcase w/ Poral 2
- http://www.aperturescience.com/
- Wheatly or new core?
- Cave Johnson is a LIE!!!
- Um...
- [POLL] Have you Pre-Purchased Portal 2?
- Official Release of Decay?
- Keyboard and mouse on PS3?
- telnet/ssh and "portal" ARG
- Glyphs in mah CS:CZ???
- Portal 2: Lab Rat first thoughts
- Interesting Portal concept
- skins vs hats
- Didnt get free portal 1 copy!
- Hang on a second (regarding comic)
- Lab Rat Part 1 secrets?
- Does Portal 2 (ps3 and xbox) have splitscreen co-op played by two controllers?
- portal 2 PC version release date move
- Consciousness: a fanfic
- There's a possibility Portal 2 will be released on the 15th of April!
- IGN New Coop Footage GREAT QUALITY
- Will Portal 2 run on this system?
- Xbox Co-op bud? (Needs mic)
- Portal 2 two pack
- Chell death?
- Xbox and PS3 user made mods.
- Theory on wheatley's <spoilers>
- 4/19/2011 7AM = 4/15/2011 9AM ?
- Page 9 comic
- Comic PDF up
- Portal 2 Comic Finally on Portal 2 Website
- Chell Binary Code translation
- um? How did this guy get this?
- PS Move mod
- Portal 2 Comic Wallpapers
- Half life refrences discovered in Portal 2 Comic
- DLC?
- Midnight release everywhere?
- Remember that Qore Portal 2 Preview?
- A real demo?
- A question about the UK release date.
- Portal 2 Real Release Date
- Wheatley party escort?
- PORTAL2 ROBOT EASTER EGG!!vin portal 1
- Will Portal 2 include some hints regarding Episode 3?
- Portal comic code binary
- I'm probably VERY late with this...
- Small Clip of New Portal 2 Footage *Some Spoilers*
- Atlas and Wheatly
- picture of nothing but a portal....
- IGN Coop Coolness and Strangeness [DISCUSSION]
- Portal 2 Reviews
- For people who havent noticed yet (comics related)
- console version earlier release?
- I am not allowing you to watch clips from this point at time
- Name yourself in Portal 2?
- no cake but potatos?
- What's with the weird Emancipation Grill?
- There's a gravity gun....
- Guys, I think I found something
- Portal 2 - Cube Retrieval System Game
- What do you get when you preorder?
- *Minor Spoilers* Has the Weighted Ball and Bucket been replaced?
- Post Spoiler Videos here
- um... so conflicting