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