Full list of all 13 MY LITTLE PONY: A Maretime Bay Adventure achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Get 1500 Magic Bits
Catch and talk some sense into Sprout
Race Zipp on Beach Cove
Get 1000 Magic Bits
Fulfill Marcel's requests and unlock Beach Cove
Help Hitch in Town Park
Use the Magic Mirror for the first time
Help Pipp in Main Street
Get 500 Magic Bits
Help Hitch in Brighthouse
Fix the bridge using Izzy's Unicycling powers
Reclaim your backpack
Complete the secret obstacle course in Town Park