Here is the full list of all 9 What if George Washington was a Girl? achievements.
Do not speak elephant to elephants.
Found something suspicious in the garbage.
Broke the Night Gale's lamp.
Revealed the truth about Teddy to the Night Gale.
You stayed for the after credits scene.
Finished the story.
Spoke to a wise cat.
Got a penguin thrown right at you.
Started the game for the first time.