Portal 2 > Allgemeine Diskussionen > Themendetails
XchocomanX 15. Nov. 2012 um 14:13 Uhr
Professor Portal Help
I need help to get this achievment....can anyone help me? D:
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MineCraft lover 16. Nov. 2012 um 7:46 Uhr 
which achievment is it?
XchocomanX 16. Nov. 2012 um 8:45 Uhr 
Professor portal is the name i have to play the co-op calibration with someone who has never done it before ._.
xXJackPlaysXx 25. Jan. 2013 um 12:54 Uhr 
did you do it cuz i will
norill 21. Feb. 2013 um 16:45 Uhr 
i would also like to play co-op with someone to get this achievement
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Geschrieben am: 15. Nov. 2012 um 14:13 Uhr
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