In the halloween event of 2018 , you will need to click on butterflies like those :For start , they give you 1 halloween skull :
But you can upgrade them by using pearls .
Each upgrade double the halloween skulls dropped by the butterfly .
After reaching a certain number of halloween skulls , you will get rewards .
In total you can get :
- 500 Pearls (to spend on market or things)
- 11 Gems (gives damage bonus for crabs of the type of the gem)
- 1 Legendary Conch (gives 3 random legendary parts)- 12 Gene Points (for upgrade your game)
- 6 Conchs (gives 3 random parts)
- 1 skin for Appxplore / Baby Appxplore :
Here is the last reward you obtain when reaching 175 skulls :