Here is the full list of all 24 Where's My Mommy? achievements.
Spend an hour in-game.
Score 1000 points globally.
Die 100 times.
Smash 20 hamster skeletons.
Go backwards through a thin path in heavy state.
Smash 20 cocaine bags.
Tutorial: Grab your first spare life.
Get killed by the living hamster.
Tutorial: Go liquid.
Get stuck.
Get stuck in a condom.
Tutorial: Go heavy.
Finish the Story mode.
Finish the Story mode with 3 spare lifes.
Finish the Story mode in 6.40 or less.
Choose the millimeter units. COCORICO
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)