Here is the full list of all 17 Margo achievements.
Put the orange doll on the skateboard
Lie lie lie
The ghost can see through
Find Dave
Make some noise in the kitchen
Leave the tv and light on
Spam the light
To Be Continued...
Always tell the truth
Give Gilles a lil boost
Interact with the vending machine
Kitty's secret is safe with me
Give Mitch some garbage
Help the satalite
Take the photo off the fridge
Look at the pitcure of Bean
Wakey wakey