Here is the full list of all 22 Bluey: The Videogame achievements.
Win 5 games of Ground is Lava
Win 5 games of Chattermax Chase
Freeze Everyone in less than 30 seconds
Hit the balloon 25 times before it hits the ground
Complete the Sticker Book
Unlock all Collectibles
Collect all the Stickers
Unlock all the Costumes
Finish Episode 4
Freeze Mort Two Times
Play as all four members of the Heeler Family
Finish Episode 3
Feed Chattermax
Chain three slides in a row
Catapult someone off of the seesaw
Finish Episode 2
Rescue Muffin
Score three Goals
Reach maximum height jumping on the trampoline
Grow a plant to its final stage
Finish Episode 1
Round up all the Animals