Bugdom/Items

Green Clover
These are plentiful and each will give you a 200 point bonus.

Blue Clover
There are only four of these on a level. You need to collect all four of them to get the 3,000 point bonus.

Gold Clover
There are only four of these in the entire game. If you collect all four, then you will be awarded a 10,000 point bonus.