Portal 2
Portal 2 > Discussions générales > Détails du sujet
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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Yes, this one is tricky. Best of luck to you.
such a stupid achievement.
Indeed!
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Portal 2 > Discussions générales > Détails du sujet