Here is the full list of all 12 Moonlight achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Read every wooden sign!
Find the secret above the lighthouse!
Walk on the moon!
Complete the game!
Share Inferno's burden!
Gaze upon a shooting star!
Find Rosco within 3 minutes!
Solve Tupelo's puzzle within 3 tries!
Collect 9 nuts for Buko!
Make 30 butterflies, fly away!
Jump on a single bubble 10 times!
Test those spirit doors!