Survive the oncoming waves of virus cells, kill them all - otherwise you won't survive. Remember that with each level they become smarter and more aggressive.
Watch out for sudden changes in virus behavior, and react in time.

Every few levels there are main representatives of a given species.
After defeating him, all previous species become less and less indifferent and they are more likely to attack than defense.


**Features**
- Upgrade your virus cell and guns
- Unlock new species, each of them has unique behaviour
- Destroy as many viruses as possible to survive this uneven duel
- Watch out for constantly evolving species that are becoming stronger and smarter with each level