Here is the full list of all 27 Parcel achievements.
Complete all the levels in the game.
Do everything else and ascend to greatness.
Complete all Basement levels.
Complete all Special Place levels.
Collect all Dataspheres.
Collect all Dataspheres written by Special Place users.
Complete all Common Place levels.
Collect all Dataspheres originating from Spectacle accounts.
Complete all Processor levels.
Spare what is to be spared and complete marked levels.
Destroy what can be destroyed and complete marked levels.
Find the hidden easter egg.
Unlock Shade.
Hackman did his best to prevent you from being able to do this. Do it anyway.
Feel good for thinking you've saved humanity.
Play through the game without the fifth wheel.
Unlock Clobber.
Complete all Greenhouse levels.
Complete all Containment levels.
Complete 10 levels created by other users.
Complete all Factory levels.
Complete all Ventilation levels.
Unlock Porter.
Unlock Hackman.
Create and share a level for others to play.
Unlock Magna.
Find the missing shipment.