- How many Portal 2 achievements are there?
There are 50 achievements to unlock in Portal 2 worth a total of 1000 gamerscore.
Portal 2 Achievements
Show completed achievements
Show secret achievements
There are 50 achievements with a total of 1000 points
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
Drop your co-op partner in goo while they are gesturing by removing the bridge under them