Complete the first level
Complete level 5
Use the mud 5 times
After level 2, complete 3 levels without using undo
Push sheep 10 times
Use undo 5 times
Use restart 5 times
Complete level 10
Redirect a sheep through the log for the first time
Redirect a sheep through the log 5 times
Push sheep 15 times
Leave the sheep in the pasture 2 times
Complete level 15
Complete level 21
Push sheep 30 times
Use the teleport barn 5 times
Redirect a sheep through the log 20 times
Use the mud 20 times
Lead the sheep to the pasture 15 times
Use the mud for the first time
Use undo for the first time
Use restart for the first time
Push sheep 5 times
Lead the sheep to the pasture 4 times
After level 2, complete a level without using undo
Lead the sheep to the pasture 8 times
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