Here is the full list of all 19 Amanda the Adventurer achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Found Goggles
...and a new friend?
Played peekaboo with Gret-chan
Tried to bake a peach pie
Meet a disappointing end
Can't believe I didn't get any presents...
Meet the sunrise
Together forever
Played another song
Meat a tragic end
Learned about the weather
A touchy subject
Found the scissors
Waste not want not
Meet a violent end
Wound the clocks
Walk it off
Played a song
Baked a pie