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.
More than just friends?
Find all main chapters
Don't give in
Take the high road
Split the share 50/50
Reject the offer
Watch all seven endings
Accept the offer
Pull the trigger
Fall for the bluff
Watch four endings
Convince Parr it's a fake
Go to the Tchois
Go home alone
Don't cross the line
The key to friendship
Don't fight
Enter the wrong code
Defeat the odds
What are the chances?