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