Here is the full list of all 28 Manual Samuel achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete Story Mode Co-Op
Unlock all the Achievements in Manual Samuel
Get bronze or higher on every time trial
Get silver or higher on every time trial
Get gold on every time trial
Blink 2000 times
Complete Story Mode Single Player
Complete Level 8
Didn't skip any cinematics
Found every hashtag
Complete Level 7
Kill every robot
Blow up Tony
Complete Level 6
Complete Level 5
Spoke perfectly
Went to work without shoes
Complete Level 4
Drove 150 km per hour
Completed Sams house only breathing in 15 times
Drink two cups of coffee
Made no stains on yourself
Complete Level 3
Didn't fall down the stairs
Complete Level 2
Complete Level 1
Tip Tony
Skipped a cinematic