Here is the full list of all 17 Margo achievements.
Lie lie lie
Put the orange doll on the skateboard
The ghost can see through
Find Dave
Give Mitch some garbage
Make some noise in the kitchen
Take the photo off the fridge
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
Help the satalite
Look at the pitcure of Bean
Leave the tv and light on
Wakey wakey