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Stylized geometric depictions of a tick, a segmented worm, two mosquitoes, and a cluster of microbes.

Can you outsmart the deadliest parasites in this high stakes biology trivia lab?

Microorganisms

ZapStacks

5

Zaps

100

Tapeworms hijack your gut while Plasmodium wages war on your red blood cells. From the Toxoplasma manipulating minds to the stealthy tick, these hitchhikers don't ask for permission—they just take. Think you can spot the world's most successful freeloaders? Prove it.

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ZapStacks

A magnifying glass focuses on a flea, surrounded by other fleas, a drop of blood, and a pet collar.
Fleas
20 Zaps · Medium
A geometric composition of icons including a magnifying glass, a fine-toothed comb, a louse, and a hair follicle.
Lice
20 Zaps · Hard
A coiled orange worm, a microscope, a petri dish with small worms, and a single-celled organism.
Roundworms
20 Zaps · Hard
A stylized, segmented worm with a mechanical head and a black line through its body, with an arrow pointing toward a circular object.
Tapeworms
20 Zaps · Medium
A stylized tick with a magnifying glass over its head, a drop of blood, and a microscope slide.
Tick Parasites
20 Zaps · Hard

More 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 drawings of a bacteriophage, a spherical virus with spikes, a DNA double helix, and a petri dish.