Here is the full list of all 19 Escape Memoirs: Mansion Heist achievements.
Find All Collectibles
Find 20 Collectibles
Find 15 Collectibles
Get the Gold
Study the Constellations
Bribe the Cat
Reach the Great Room
Open the Metal Cabinet
Open the Security Storage Box
Find 10 Collectibles
Solve the Weight Puzzle
Open the Toy Box
Open the Musical Box
Use the Code in the Photograph
Find 5 Collectibles
Enter the Study
Solve the Wheatstone Prototype
Solve the Vase Puzzle
Use the Decrypted Code