Here is the full list of all 17 Trading Time: A Croak Tale - there are Prologue achievements.
Retrieve your plant and leave the island.
Find a way on top of a house
Stay airborne for over 4 seconds
Plant all flowers
Find and return The Shaman’s missing arm.
Walk 10km
Chase away 200 fireflies
Throw 50 items
Go through the secret entrance whilst the door is locked
Take a starfish to the crater
Jump [100] times.
Jump on all the lily pads in the large pond in order
Speak to The Shaman for the first time.
Hit The Shaman with a thrown item.
Hit the shaman with a pillow
Get stung by thorns
Make your first camp fire