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