Here is the full list of all 24 Where's My Mommy? achievements.
Smash 20 cocaine bags.
Smash 20 hamster skeletons.
Get stuck.
Go backwards through a thin path in heavy state.
Choose the millimeter units. COCORICO
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.
Finish the Story mode.
Finish the Story mode with 3 spare lifes.
Finish the Story mode in 6.40 or less.
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.
Score 1000 points globally.
Poor is the pupil who does not surpass his master. - Leonardo da Vinci
At least 160pts Time bonus in Story mode.
Start and quit the game without playing.
Run in heavy state most of the time. (Story mode)
500 points in Endless mode. (In one ride)