Start out small by cultivating bacteria in Petri Dishes and Germ Flasks.
Unlock the Power of Genes
You can use them to purchase powerful upgrades or to increase bacteria production.
They infect huge chunks of planet population so you can destroy the rest of it more easily. Producing them, however, can be time consuming…
Evolve New Species
With some investment, you may be able to discover the bacteria that will greatly aid your mission of galactic conquest.
Mutate the Perfect Killer Bacteria
How about combining your strongest germs into a new deadly lifeform?
Explore the Black Hole
Research Dark Matter
Initially, you will only be able to produce bacteria by tapping on the screen, but you will quickly unlock the ability to spawn new ones automatically.
Different upgrades will let you increase production when not tapping or when tapping for extended periods of time, letting you specialize in idle or active gameplay as well as switch between the two.
As you progress further in the game, new research options and game mechanics will be revealed. It will help you greatly when attacking increasingly difficult planets.
Here are a few reviews found on Google Play and App Store.