Android Game Cheats: Unlock Neurax Worm: When you beat ALL 6 plague types on the Brutal difficulty setting the Neurax Worm will become unlocked. Unlock the Necroa Virus: Beat ALL the standard plagues and the Neurax Worm on the Brutal difficulty setting to unlock the Necroa virus. Cheat Modes: When you complete ALL modes (Bacteria through Bioweapon) under the Brutal difficulty setting the 'No Cure', 'No Action' and 'Infinite DNA' options will become available. Bio-Weapon Mode: Complete Nano-Virus under the Normal or Brutal difficulty setting. Fungus Mode: Complete Virus under the Normal or Brutal difficulty setting. Nano-Virus Mode: Complete Prion under the Normal or Brutal difficulty setting. Parasite Mode: Complete Fungus under the Normal or Brutal difficulty setting. Prion Mode: Complete Parasite under the Normal or Brutal difficulty setting. Virus Mode: Complete Bacteria under the Normal or Brutal difficulty setting.
