Here is the full list of all 16 I commissioned some dogs 2 achievements.
Complete the game in its entirety.
Find everything hidden in the Cable Workshop artwork.
Find everything hidden in the Ice Cream Monster artwork.
Find everything hidden in the Maths for Dogs artwork.
Find everything hidden in the Broken Robot artwork.
Find everything hidden in the Taxi Traffic artwork.
Find everything hidden in the The Flower Shop artwork.
Find everything hidden in the Messy Garden artwork.
Find everything hidden in the Hidden Laboratory artwork.
Find everything hidden in the Mouse And Cart artwork.
Find everything hidden in the Open Plan Lounge artwork.
Find everything hidden in the A Day To Skate artwork.
Find everything hidden in the Wizard Prank artwork.
Find everything hidden in the Hanabi Festival artwork.
Find everything hidden in the Project Racecar artwork.
Find everything hidden in the Under Your Mind artwork.