How to play
Six actions. Each one touches real neurons. Each one is a transaction on BNB Smart Chain.
$FLY for anything that feeds or pokes the fly. Get $FLY on PancakeSwap.| Action | What happens to the neurons | Cost |
|---|---|---|
tick(steps) | Runs the brain forward up to 64 steps. Leak, integrate, threshold, spike, propagate. The compass bump decides where the fly walks. | gas only (~7M for 32 steps) |
feed(amount) | Adds amount / 1 FLY steps of energy. The fly burns one step per simulation step. | burned |
stimulate(CUE, wedge, strength) | Injects current into the EPG neurons of one of 16 wedges (and half as much into its neighbours) for 64 steps. A landmark. The bump forms or jumps there. | 100 FLY × strength, burned |
stimulate(TURN_LEFT / TURN_RIGHT) | Drives the left- or right-hemisphere PEN neurons: angular-velocity input. The bump rotates, the heading changes. | 100 FLY × strength, burned |
stimulate(SHOCK) | Drives all 42 Δ7 neurons: global inhibition. The bump collapses. The fly stops walking until it recovers. | 100 FLY × strength, burned |
resurrect(extraFood) | Only when dead. Wakes the identical brain in a new body at the origin, with extraFood steps of energy. Generation + 1. | 100,000 FLY + food, burned |
Reading the compass
The dial on the home page shows the 16 wedges of the ellipsoid body. Bright wedges are where EPG neurons are spiking right now; the needle is the population vector; the faint outer ring is the heading histogram, the fly's memory of where it has pointed. Click a wedge to aim a cue there.
Preview vs. on-chain
Between on-chain ticks the site runs the same circuit locally from the last on-chain state, so the animation is continuous. The label panel always reports the on-chain figures. When you send an action in preview mode (no wallet, or chain unreachable) it only changes your local copy.
Gas notes
Public BSC RPCs cap gas estimation at 16.7M, so the site sets gas limits itself: 32-step ticks use up to 9M, stimuli with 16 follow-up steps up to 9M. A strong turn stimulus makes many neurons spike and costs more; that is real neural activity you are paying for.