Microbe Petri Boom

Gather to start!

What is it?

Play Microbe Petri Boom free — one microbe in a warm dish, then binary fission snowballs the count. Hire worker ants and watch passive Cells grow even while…

How to play

1. Gather the glowing centre to earn your first Cells.

2. Open the Colony tab and buy your first Worker Ants to start earning automatically.

3. Spend on Boosts to multiply taps and specific colony output.

Why you'll love it

✦ Signature Swarm Colonies scene — one microbe in a warm dish.

✦ Six tiers of colony from Worker Ants to Mega Queen.

✦ WebAudio sound with mute, haptics, reduced-motion — plays instantly, no download.

Play Microbe Petri Boom free

No download. No sign-up. Just gather and play.