No missable achievements (plus 26 unknown)
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Find the first missing piece
Find the second missing piece
Find the third missing piece
Find the fourth missing piece
Find the fifth missing piece
Get the secret hidden in the mountain maze
Find the sixth missing piece
Steal the sixth missing piece back
Find the seventh missing piece
Find the eighth missing piece
Tear down all the thistles in one go
Find a broken half piece
Mend a broken bond
Find the other broken half piece
Find the secret in the crushing, zapping death machine
Clear all the snowy branches in one go
Find the secret hidden in the tree tops where you fly
Make it to the water wheel without using a log raft
Find the secret in the engine room
Use your lasso to jump between 25 different points without touching the ground
Use the excavator to find a secret
Break all the ice on the way to the letterbox in one go
Find every secret
Make it through the mire in one go without swatting any mosquitoes
Finish each level from start to finish without dying
Collect all achievements