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.
Open all the clam shells.
Try all of the robo-moose hands.
Use all the colors.
Finish the game.
Interact with all the yamyams.
Put the wheels on the cart.
Use the bubble to move heroes up.
Follow them to see where they flew.
Fly to the rescue.
Collect all the pearls.
Move the bike to the top.
Find all the turtles.
Solve the 4-window puzzle.
The giant robo-moose is ready.
Startle all of the signal birds.
Solve the tangram puzzle.
Grow the ladder from the beans.
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.
Pump all the objects.
Fix the rainbow divider.
Make all the rubber ducks quack.
Bring the fever down.
Leave the Rabbit Hole.