Here is the full list of all 10 Break Time achievements.
Get a 100x combo.
Set 10 evil ducks free.
Aquire 10 stars.
Get a 50x combo.
Find all the blocks in a level.
Get a paper ball in a bin.
Hit a light-switch to turn the lights off.
Throw an old computer out the window.
Knock over one person with another.
Finish the tutorial.