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Portal 2 Perpetual Testing Initiative

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Published on Apr 27, 2012

Introducing the Perpetual Testing Initiative (PeTI) for Portal 2, which combines the powerful, easy-to-use Puzzle Maker and full Steam Workshop integration. Available free for the PC and Mac on May 8th. Visit www.thinkwithportals.com for more information.

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    Gaming

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    Standard YouTube License

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Top Comments

  • OMGTROLLL

    OMGTROLLL 1 month ago

    There's a guy watching Meet The Pyro at 1:12

    · 59

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  • XLordLightningX

    XLordLightningX 3 weeks ago

    One...two...thr-

    ERROR: GABEN.EXE HAS STOPPED WORKING

    · 24

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    in reply to xZtechx (Show the comment)

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  • Sam Webster

    Sam Webster 1 day ago

    There's also a guy watching porn XD

    ·

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    in reply to OMGTROLLL (Show the comment)
  • MarshMallowMan234

    MarshMallowMan234 1 day ago

    Lv 3 sentry, Lv 3 dispenser, Lv 3 teleporter

    ·

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    in reply to XLordLightningX (Show the comment)
  • darkxarchon

    darkxarchon 1 day ago

    and a guy watching naughty movies, as well as a guy with a massive MF diamond

    ·

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    in reply to OMGTROLLL (Show the comment)
  • Tumbolisu

    Tumbolisu 1 day ago

    sure

    "in the event of you reading this, get back to work"

    ·

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    in reply to eXAKR (Show the comment)
  • Tumbolisu

    Tumbolisu 1 day ago

    (right click/properties/local files)

    try validating the cache files.

    try defragmenting the files.

    and if that doesnt work:

    try reinstalling the game.

    ·

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    in reply to 1starlife1 (Show the comment)
  • Tumbolisu

    Tumbolisu 1 day ago

    it was awesome news before meet the pyro came out.

    now its boring

    ·

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    in reply to TheBrendanknight (Show the comment)
  • TheBrendanknight

    TheBrendanknight 1 day ago

    lol! XD Good eye!

    ·

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    in reply to OMGTROLLL (Show the comment)
  • zzzZniitemareZzzz

    zzzZniitemareZzzz 2 days ago

    1starlife1

    Try reinstalling portal

    ·

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  • 03babyjj

    03babyjj 2 days ago

    1:13 someones looking at something :D (if you know what i mean)

    ·

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  • 1starlife1

    1starlife1 2 days ago

    Valve please read this. on my computer and when i run steam portal 2 when it gets to the loading screen it exits me out of portal 2 can someone please help me i was getting annoyed alot

    ·

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