Neon Amoeba

In a lab that keeps no records, a dish is seeded before dawn.

You are what survived the last passage. One violet cell, one nucleus, no name on the slide.

The medium is rich and finite. Green protein drifts in at the rim, and so do the red ones — introduced to keep the count down. Eat and you grow; grow and you are easier to find.

Sixty passages deep. A fresh culture every day. Nothing leaves the dish.

No run recorded yet

Survival Directives:

Reverse Thrusters: Click/drag away from the amoeba to emit counter-thrust.
Direct Thrust: Or use WASD / arrow keys to steer straight.
Growth: Eat 8 green proteins to clear a level. Each one grows the cell, from a radius of 15 to about 24 by the time the level is done. Growth cuts both ways: a bigger cell absorbs proteins from further away, and is a bigger target for the killer cells. Size resets to 15 at the start of every level, so the last two proteins of a level are always the most dangerous.
Chain Bonus: Proteins eaten in quick succession form a chain. The amber bar in the HUD is the window to reach the next one; it starts at 1.5 seconds and tightens with every link, down to a floor of 0.85. Each link is worth more than the last — +1, +2, +3, +5, +8, +13 — and stays at +13 from the sixth link on. A five-chain is therefore worth 19 points against 5 for the same proteins taken singly.
Breaking a Chain: The chain ends when the window empties, when a killer cell touches you, or when the level changes. Nothing else resets it.
What Chains Do Not Change: 8 proteins still clear a level however they are eaten, and biomass is always one per protein. Chaining buys score, never progress or currency.
Three Lives Per Level: Each touch from a red killer cell costs a life. Lose all three and you restart that level, keeping the score you banked from cleared levels. Lives reset at the start of every level.
The Leaderboard: One row per device, ranked by the deepest level you have reached and then by the biomass you have earned in the dish. Biomass you buy never counts, so the board cannot be purchased. Your row updates whenever a run ends, and keeps the best standing you have reached. The line under the board says whether it is worldwide or just this device.
How a Run Works: Fresh Culture seeds a new random dish and runs sixty passages deep in the amber medium. Every run is yours alone: nothing is posted anywhere, and no one else plays your board.
Saving a Level: On the failure screen, Save my level asks for a name and stores your level and score on this device under it. You may keep up to eight, and they survive closing the tab. Reopen any of them, on any later day, from Saved levels on the menu.
When You Are Struggling: From level 3 onward, losing two lives on the same level pauses the game to offer a booster: anything you are holding can be injected on the spot, or you can get more. The first two levels never interrupt, and after an offer it stays quiet for another three levels however often you die in between. Keep going hands play straight back.
Your Boosters: A booster is a single charge. Buy one under Get Boosters and it appears as a chip along the top of the screen. Tap the chip to inject it: the cell flares and the booster takes hold. Cilia Boost and Slow Metabolism run for 30 seconds, or until the level ends, whichever comes first. Extra Nucleus runs to the end of the level. The charge is spent the moment you inject, so the chip disappears once the booster is done. To use it again, buy it again.
Slow Metabolism: Injecting it sheds most of the bulk you have already put on this level, shrinking the cell back toward its starting size, and then slows the rate you grow for the next 30 seconds. It is the way out of a dish that has become too crowded for the size you are.
Extra Nucleus: The one booster with no clock. Injecting it hands you a fourth life immediately and keeps it for the rest of the level, because taking a life back mid-level could end a run the player had already spent it to survive. Its chip reads LEVEL rather than counting down.
When a Booster Lapses: A cold ring closes onto the membrane and the effect stops at once. Nothing carries into the next level; every level starts clean, and an unspent charge keeps until you use it.

Boost my game

Get Boosters

Biomass

0

Single-use charges · buy again to use again

Need more biomass?

Cell Ruptured · Level 1

Continue?

Get a life back and resume this level exactly where you fell, with your progress intact. Killer cells nearby will be cleared.

Offer expires in 5s

One revive per run · also available on the next screen

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Rewarded Video

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Campaign complete

All 60 Levels

The culture is yours. The dish is clear.

Proteins

0

Biomass

+0

Deaths

0

Struggling on this level

Two lives gone

Level Failed

All three lives lost. The cell ruptured.

Level

1

Proteins

0

Best chain

x1

Biomass

+0

Leaderboard

Something failed to start

Neon Amoeba

Get Boosters

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Rewarded Video

All 60 Levels

Two lives gone

Level Failed