Here is the full list of all 24 The Wisbey Mystery achievements.
Created a potion
Cought a fish
Opened the casket
Hit the target
Assembled the shotgun
Painted a picture
Eliminated the fire
Lit the lamp
Played the music
Turned on the theater
Got the code
Fixed the ladder
Fixed the radio
Fixed the mechanism
Helped the journalist
Got to the window
Entered the cellar
Got rid of the squirrel
Opened the cache
Cabinet is opened
Glass is cut
Entered the house
Glove Compartment Opened