Collect 250 stars
Collect 200 stars
Unlock new element
Collect 150 stars
Collect 100 stars
Do not use hints in 30 levels
Find 30 original solutions
Color 5000ml of oil
Lose 50000ml of oil
Complete a level with +5 unused elements
Do not use hints in 15 levels
Collect 50 stars
Set the oil flowing 10 times in the same level
Complete a level with a button without oiling it
Feed 5000ml of oil
Complete a level with +4 unused elements
Think for 5 minutes in one level
Lose 10000ml of oil