You can see your skulls by joining Hell Night, or by going into a Safezone on The Mining Dead and clicking on a crate that you do not have. It will show a menu where you can choose to buy the crate with skulls, and it will also tell you how may skulls you currently have.
Formerly known as HavocMC, Havoc Games has been pushing the limits of vanilla minecraft since 2012.
Home of The Mining Dead, Mine Wars, and Craft Theft Auto.