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A microscope stands next to a virus, a bacterium, and a petri dish.

How many tiny microbes can you identify before the ZapRush clock stops you cold?

Endless Mode

Zap Pool

510

Dive into the invisible world and face a non-stop barrage of microscopic mysteries. From bacteria to viral structures, this endless trivia sprint tests how much you actually know about the world's smallest forces. Keep the streak alive or get phased out. Can you handle the rush?

Endless trivia - one wrong answer and it's over

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ZapCores in Microorganisms

A microscope, petri dish, test tube, sausage, and a spiral coil.
A red spotted mushroom, two tan polyhedral dice, and a slice of toast with a dark, cracked pattern.
A magnifying glass with an orange handle rests against a green gear containing a cell, a white block, and a crystal.
Stylized geometric depictions of a tick, a segmented worm, two mosquitoes, and a cluster of microbes.
Stylized drawings of a bacteriophage, a spherical virus with spikes, a DNA double helix, and a petri dish.

More ZapRush in Biology

A DNA double helix, a petri dish with microbes, a biological cell, and an X-shaped chromosome.
A stylized graphic featuring a DNA double helix, a fish fossil, a fern leaf, and a stone hand axe.
A human heart, a stethoscope, a medicine bottle, and a virus particle.
A stylized graphic featuring a human heart, a DNA double helix, a ribcage, and a microscope.