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