Here is the full list of all 10 Ittle Dew 2 achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Find every Box of Crayons.
Roll continuously for 5 seconds with a single roll.
Become the queen of adventure.
Complete the raft and leave the island.
Get pushed into a spike pit.
Unlock every warp in the Warp Garden.
Get smacked by a chest.
Put on an outfit.
Stand in a standee.
Discover and complete a Portal world.