Click to place, spacebar to skip song, 1 to fire a gem barrage, 2 to fire an orb barrage, & enter to delete. This is a unique twist on the tower defense genre where your money & your ammo are one & the same. Orbs disappear after defeating one enemy, but gems pierce. occasionally, an enemy will be shiny, causing a Mana Storm when defeated. After a little while, a Clubstep monster will appear to summon a wave.
