Portal 2 > Allmänna diskussioner > Ämnesdetaljer
XchocomanX 15 nov, 2012 @ 2:13pm
Professor Portal Help
I need help to get this achievment....can anyone help me? D:
Visar 1-4 av 4 kommentarer
< >
MineCraft lover 16 nov, 2012 @ 7:46am 
which achievment is it?
XchocomanX 16 nov, 2012 @ 8:45am 
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 @ 12:54pm 
did you do it cuz i will
norill 21 feb, 2013 @ 4:45pm 
i would also like to play co-op with someone to get this achievement
Visar 1-4 av 4 kommentarer
< >
Per sida: 15 30 50
Datum skrivet: 15 nov, 2012 @ 2:13pm
Inlägg: 4