Here is the full list of all 23 de Blob trophies - there are 10 bronze, 3 silver, 9 gold and 1 platinum.
Master De Blob in all possible ways
Run to defeat the time.
Paint everything... e-ve-ry-thing!
What a style!
Decorate all trees.
Shake! Shake! Shake!
Prepare the billboard.
Defeat'em all.
To blimp and beyond!
They may take away our colour, but they'll never take our freedom!
Optimus paint engine.
Earn 30 gold medals.
Get all gold medals in story mode.
Defeat INKT Corporation.
Save Ministry of Ink from INKT Corporation.
Save Chroma City Fun Park from INKT Corporation.
Save Hanging Gardens from INKT Corporation.
Save the Docklands from INKT Corporation.
Save Guggentraz Island from INKT Corporation.
Save the Chroma Dam from INKT Corporation.
Save Downtown from INKT Corporation.
Save Uptown from INKT Corporation.
Save Last Resort from INKT Corporation.