Somewhere, in the invisible depths of a living microcosm, enemy cells are battling at life's most intricate level. The Scourge has infected the bloodstream of a human host, declaring biological warfare on anything that stands in its way.
Push and pull cells into clumps to create defensive or offensive barriers. Collect protein to fire at the advancing virus and avoid deadly spores shot back in your direction. Kill invading organisms as they attempt to adapt and mutate, whilst negotiating bodily currents that threadten to sweep you away forever.
This game is also known as Bacterius in Japan.