Clear all the Desert stages.
Kill 50 enemies with standard power.
Find 15 hidden power-ups in total.
Clear all the Forest stages.
Kill 15 enemies with red power.
Kill 35 enemies with standard power.
Collect 250 coins in total.
Kill 35 enemies with green power.
Collect 3 extra lives in total.
Kill 15 enemies with standard power.
Get your first Rainbow Star.
Complete the Tutorial.