Here is the full list of all 10 The Stanley Parable achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
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Don't play The Stanley Parable for five years.
Complete The Stanley Parable in under 4 minutes 22 seconds (not including load times)
Complete The Stanley Parable.
Quit the game and then start it again.
Click on door 430 five times.
No seriously, we disabled it.
This is an achievement.
Play The Stanley Parable for the entire duration of a Tuesday.
It is impossible to get this achievement.