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.
Roll continuously for 5 seconds with a single roll.
Complete the raft and leave the island.
Become the queen of adventure.
Find every Box of Crayons.
Unlock every warp in the Warp Garden.
Get pushed into a spike pit.
Put on an outfit.
Discover and complete a Portal world.
Get smacked by a chest.
Stand in a standee.