Here is the full list of all 9 Key Of Impasse achievements.
You have found 4 keys but have not complete the game
Complete the game and no fail enter the password
Complete the game and Connected circuit components without errors
Open the sofa and find clues
Pass through the game once
Passed the game in 20 minutes
Passed the game in 10 minutes
Opened all drawers and cabinets in one game
Enter the wrong password lock more than 10 times in one game