Here is the full list of all 16 I commissioned some butterflies 2 achievements.
Complete the game in its entirety.
Find everything hidden in the Carrying A Fortress artwork.
Find everything hidden in the Leaf Delivery artwork.
Find everything hidden in the Dragon And Moon artwork.
Find everything hidden in the Tense Wizard Cards artwork.
Find everything hidden in the Uni Bedroom artwork.
Find everything hidden in the Blue Curtains artwork.
Find everything hidden in the Nursery Playground artwork.
Find everything hidden in the Antique Stalls artwork.
Find everything hidden in the Mermaid Story artwork.
Find everything hidden in the Stripy Tusk Mammoth artwork.
Find everything hidden in the A Very Cluttered Desk artwork.
Find everything hidden in the The Produce Jungle artwork.
Find everything hidden in the Animal Chariot artwork.
Find everything hidden in the Garden Parasol At Night artwork.
Find everything hidden in the Went Shopping Hungry artwork.