Dark Forces have broken into the Elemental Archives of the Matter and Anti-Matter Authority and made off with critical data. Your tool for recovering it is the Proto-Atomic Shell — a one-of-a-kind device capable of combining protons, neutrons, and electrons into elements on the fly. The journey through the periodic table unlocks atomic abilities that dramatically expand your movement and combat options. The Dark Atoms guarding each stage are varied in their traits and tactics, all oriented toward stopping you. Science has a need. Will you answer it?