Portal 2 > Yleiset keskustelut > Aiheen tiedot
vipaware 19. marras, 2012 1.24
Help me get the last achievement, please! Professor Portal.
I managed to get all achievements except just one, named Professor Portal. I need a friend to play Portal 2 who has never played multiplayer before. Let me know if you can help me out. Thanks!
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Kira 19. marras, 2012 2.18 
Yes, this one is tricky. Best of luck to you.
Aidan 19. marras, 2012 13.18 
such a stupid achievement.
vipaware 19. marras, 2012 13.46 
Indeed!
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