Here is the full list of all 30 My Brother Rabbit achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Use all the colors.
Follow them to see where they flew.
Finish the game.
Put the wheels on the cart.
Use the bubble to move heroes up.
Interact with all the yamyams.
Fly to the rescue.
Collect all the pearls.
Move the bike to the top.
Open all the clam shells.
Find all the turtles.
Solve the 4-window puzzle.
The giant robo-moose is ready.
Solve the tangram puzzle.
Startle all of the signal birds.
Grow the ladder from the beans.
Try all of the robo-moose hands.
Lower the big baobab.
Find the cure somewhere else.
Give the test results to the Doctor.
Sculpt an ice swan.
Find all the spiders.
Uncork all of the test tubes on the tree.
Free the Rabbit.
Leave this defiled place.
Fix the rainbow divider.
Pump all the objects.
Make all the rubber ducks quack.
Bring the fever down.
Leave the Rabbit Hole.