Here is the full list of all 22 Rabbit Hole achievements.
Now you have a handgun
My first silent kill
Set the radio to the right frequency
Now the park gates are open
The statues are waking up
You committed your first silent kill
Insert two fuses into the electrical panel
Solve a difficult puzzle
Learn how to reveal invisible ink
Now I know the combination of this safe
Start the old electric chair
Watch the tutorial on the videotape
It was very difficult to get the key from the sink
Now I am stronger, I have a shotgun
You entered the right code, it's unlocked
You performed the sacrificial ritual
Collecting puzzles is your calling
How long you live matters
You answered all questions correctly
The entrance to the church grounds is now open
You beat the villain in a dishonest fight
You have heard the raven's prophecies