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