Here is the full list of all 20 Late Shift achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Convince Parr it's a fake
Don't cross the line
The key to friendship
More than just friends?
Defeat the odds
Split the share 50/50
Reject the offer
Don't fight
What are the chances?
Go home alone
Go to the Tchois
Fall for the bluff
Accept the offer
Pull the trigger
Watch four endings
Take the high road
Find all main chapters
Watch all seven endings
Enter the wrong code
Don't give in