Professor Portal achievement in Portal 2

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

Professor Portal+5.2
6 guidesOnline Game ModeCooperativeViral

How to unlock the Professor Portal achievement

  • MailOrderCowb0yMailOrderCowb0y172,049
    20 Apr 2011 20 Apr 2011 30 Jan 2012
    86 4 59
    Just a few tips to make sure you get this and don't disqualify you or your friends from this achievement
    -One player must have beaten the entire Co-op before and one player must have never done the tutorial.
    -The player who has never done the tutorial must never been in a chamber, the central hub is fine.
    -Single player does not affect this, so you can have played the whole single player and it won't affect this.
    -If you are going for other achievements, such as Friends list with benefits or other similiar co-op ones, skip the tutorial by pausing during the opening cutscene and returning to the hub.
    -This cannot be done split-screen, must be two players with Active X-box Live accounts
    -The only required chamber is the tutorial chamber where you acquire the gun and calibrate weight variances, which can really upset humans if you bring up :)

    Hope this helps.

    Guide not helping? View 5 more guides for this achievement.

    Showing most recent comments. View all comments.
    Y2Kasper10Need this one. Send me a Msg on Xbox or here to set up a quick boost session if you can help out.
    Posted by Y2Kasper10 on 01 Sep at 23:09
    GsO LightHave yet to play this game, if someone wants to do this, message me
    Posted by GsO Light on 20 Sep at 04:56
    Eny@gsO Light PM
    Posted by Eny#4355 on 21 Sep at 16:29
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  • dropK1CK ninJAdropK1CK ninJA603,359
    30 Apr 2011 30 Apr 2011 14 May 2011
    54 3 5
    You must have completed the co-op campaign.

    You cannot get this achievement on split screen.

    You have to have them on your friends list.

    You can also create temporary accounts that get 1 month of free Xbox Live Gold and you can get this achievement with a friend.

    They need to generate a new Windows Live ID -- -- (I went with a generic, DKBOT e-mail address). Sign in with a new account on your Xbox. Attempt to sign-up for Xbox Live Gold, select the "Upgrade Later" option and sign-up under a Silver account. The next screen will offer you a free month of Xbox Live Gold with your new account and accept this offer.

    There you go, a free second account and you don't have to find a 48-hour code or attempt to track down a new friend who hasn't started the co-op.
    Showing most recent comments. View all comments.
    AlexYou can only create three different accounts with a free one month trail.
    Posted by Alex#66005 on 13 Aug 11 at 21:06
    I can't even make one :(
    Posted on 27 Jan 13 at 06:33
    I can't even make one :(
    Posted on 27 Jan 13 at 22:12
  • Crimson CrunchCrimson Crunch323,801
    22 Apr 2011 21 Apr 2011
    36 7 14
    Here a way to get this achievment Easily.
    1.Complete coop with someone.
    2.You and your coop partner create a new xbox live account each / use a 48 hour trial on 2 seperate accounts.
    3.You play the tutorial with the other persons 2nd account.
    4.They switch back to normal account and you switch to second account.
    5.You then do the tutorial again, opposite of 3.
    6. You both should have the achievment with normal accounts which did 1.

    Make sure that you are Friends with the other accounts when you do the tutorial with them,Or you will not get the achievment.
    Showing most recent comments. View all comments.
    OnzaDoes finishing co-op, for the FIRST time, on split-screen count? Then, after that, can you try to find an on-line player? Thanks
    Posted by Onza on 22 Jun 11 at 16:36
    Crimson CrunchYou can do split screen thats what i did =)
    Posted by Crimson Crunch on 22 Jun 11 at 18:06

    I don't have the game yet (it's in the mail), but I plan to offer my services, finish, then hopefully get the achievement myself.
    Posted by Onza on 24 Jun 11 at 14:33
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