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