Yandex Games

Bacterial Swarm

A biologist engineered a good bacterium — and released it into the heart of the infection. Steer a living cell that auto-fires spores at endless swarms of evil microbes.

Open on Yandex Games

About this game

Survive wave after wave, collect nutrient orbs and level up. On each level-up, choose your upgrades: boost your main cannon or pick up new biological weapons — orbiting phages, infectious clouds, predatory bacteria and more. Every few waves a boss appears, each with its own deadly mechanic. Defeat it, bank biomass, and spend it between runs on permanent upgrades and combat antibodies. Simple controls, deep progression and addictive survivors-like action. How long can you last?

How to play

On desktop the cell follows your cursor by default — click to toggle that on or off. Move with WASD or the arrow keys (on mobile, use the on-screen joystick). Your weapons auto-fire at the nearest enemies — your job is to dodge the swarm. Collect nutrient orbs to level up. On each level-up, pick 1 of 3 upgrade cards (with the mouse or keys 1 / 2 / 3). Press ESC to pause. The longer you survive, the more biomass you bank for permanent upgrades. Good luck!

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