Here is the full list of all 24 Where's My Mommy? achievements.
Score 1000 points globally.
Smash 20 cocaine bags.
Choose the millimeter units. COCORICO
Start and quit the game without playing.
Get stuck in a condom.
Get killed by the living hamster.
Tutorial: Grab your first spare life.
Tutorial: Go liquid.
Tutorial: Go heavy.
Die 100 times.
Get stuck.
Finish the Story mode.
Finish the Story mode with 3 spare lifes.
Finish the Story mode in 6.40 or less.
Smash 20 hamster skeletons.
Last at least 5 minutes in hardcore mode. (Sadist mode)
Last at least 10 minutes in endless mode. (Endless Poopy storm)
Spend an hour in-game.
Poor is the pupil who does not surpass his master. - Leonardo da Vinci
At least 160pts Time bonus in Story mode.
Go backwards through a thin path in heavy state.
Run in heavy state most of the time. (Story mode)
500 points in Endless mode. (In one ride)