Hadron Havoc is your next intense roguelike, shoot-'em-up, bullet-hell experience — all on a quantum scale! You begin as a humble hydrogen atom, fighting your way through the periodic table as relentless waves of hostile particles try to anti-matter you out of existence. Trapped in the depths of a bizarre Hadron Collider, your only chance is to survive the subatomic chaos. Collect energy, evolve into new elements, and upgrade your abilities to stand a chance in this high-energy, ever-changing universe of scientific mayhem.