Here is the full list of all 42 Pilferer achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Go Right
End Game
12 Lvl completed
Last step
Music 12
11 Lvl completed
Mute
Music 11
10 Lvl completed
Music 10
9 Lvl completed
Music 9
8 Lvl completed
Music 8
Bandit 3 Dead
7 Lvl completed
Music 7
6 Lvl completed
Middle Game
Music 6
5 Lvl completed
Music 5
4 Lvl completed
1/3 of the game
Music 4
3 Lvl completed
Pause 2
Pause
Music 3
2 Lvl completed
Music 2
Bandit 1 Dead
Bandit 2 Dead
First Restart
Game Over
First Death
Go Left
1 Lvl completed
Jump
Fall
Music 1
Start Game