Badges update automatically and link to the mod page on MineUniverse.

/gamerule fireballcraziness is a command that sets the craziness level which controls how many fireballs spawn, ranges from 0 to 64.
/gamerule fireballshowerenabled is a command that enables or disables the fireball rain. (true or false)
That is all thank you! If you have any problems or questions leave it in comments. (;