Here is the full list of all 24 Where's My Mommy? achievements.
Spend an hour in-game.
Smash 20 hamster skeletons.
Smash 20 cocaine bags.
Score 1000 points globally.
Get stuck.
Get killed by the living hamster.
Go backwards through a thin path in heavy state.
Get stuck in a condom.
Tutorial: Grab your first spare life.
Tutorial: Go liquid.
Tutorial: Go heavy.
Choose the millimeter units. COCORICO
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)
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)