Here is the full list of all 22 Theres Poop In My Soup achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete the Beijing to-poo list
Complete all the to-poo lists
Do not touch the floor in Beijing
Complete the Paris to-poo list
Poop on madame and monsieur baguette
Poop on all the french girls
Use the runny tummy ability
Complete the NYC to-poo list
Get a total score of 500,000
Get a total score of 750,000
Get a total score of 1,000,000
Get a total score of 250,000
Unlock Paris
Use the firework ability
Poop all over the family
Get a total score of 100,000
Get a total score of 50,000
Get a total score of 25,000
Unlock Beijing
Use the bomb ability
Poop right in his icecream...mmm...
Poop right in the soup!