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!
Gaze upon a shooting star!
Share Inferno's burden!
Find Rosco within 3 minutes!
Solve Tupelo's puzzle within 3 tries!
Collect 9 nuts for Buko!
Jump on a single bubble 10 times!
Make 30 butterflies, fly away!
Test those spirit doors!