Here is the full list of all 16 I commissioned some frogs 2 achievements.
Complete the game in its entirety.
Find everything hidden in the Alien BMX artwork.
Find everything hidden in the Knights And Dragons artwork.
Find everything hidden in the Roman Animals artwork.
Find everything hidden in the Pond Stairs artwork.
Find everything hidden in the Moving Morning artwork.
Find everything hidden in the Broken Wall River artwork.
Find everything hidden in the Little Messy Shopfront artwork.
Find everything hidden in the Japanese Spa artwork.
Find everything hidden in the Spotlight Concert artwork.
Find everything hidden in the Above The Allotment artwork.
Find everything hidden in the Foreign Mushrooms artwork.
Find everything hidden in the White Ducks artwork.
Find everything hidden in the Lily Pondering artwork.
Find everything hidden in the Sculpture Drawing artwork.
Find everything hidden in the Terrarium Collection artwork.