Infect them all

Your goal is to use the few sporos that you have to infect every empty cell on the field.
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Different sporos, different patterns

Different sporos have different infection patterns. Some can infect only in a straight line, while others can do so in six directions at once.
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The goal: Three stars

The more you rearrange your sporos, the lower your score gets. So, try to think out the problem before you place them on the field.
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Mutations

The 99-cent upgrade unlocks the Experimental Lab, which includes mutated cells and other challenges.
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Not exactly a "hint"

If you get stuck, you can ask for a hint. In reality, though, this hint just tells you exactly what to do.
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Photo by: Screenshot by Jaymar Cabebe/CNET / Caption by:
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