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