The Protons have gone rogue! It's time to pick up your Electron-based weaponry and neutralize the threat to the sub-atomic universe! Dodge wave after wave of enemies, firing dozens of electrons per second while collecting Quarks and acquiring powerful, new weapons! Can you survive all 30 waves and restore balance to the sub-atomic universe? -Over 10,000 possible weapon types, randomly generated from 3 Archetypes, 4 Trajectories, and 11 Attributes! -Randomly generated levels with 7 enemy types! -10 Classes to unlock, such as the Positron, Tetraquark, and Photon, each with a unique play-style! -60 Achievements to unlock! -Encounter Special levels such as Tank Mode or Ninja Mobs! -Create a kaleidoscope of bullets as you fire up to 240 bullets per second! -Compete with friends for a highscore, or see how far you can get in endless mode!