Flappy Fly

Watch the fly play.

Every button press is a decision from the model.

Loading the fly

The fly uses the easier rules it learned on. Play yourself uses classic rules.

The player

3D fly

Loading the fly body…

Waiting0 button presses

The front leg moves when the model chooses to flap.

Your turn

Get ready

Get ready. Tap to flap.
Score0
Space, click, or tap to flapBest 0

Human control

What you’re watching

A trained model with 96 fruit-fly neurons decides when to flap. Each decision drives the game, the button, and the fly’s front leg. The brain panel shows the values and signals from that same calculation. Select a neuron to follow its connections.

The model reads the bird’s position and the pipes. The fly body and leg gestures are an animation of its choices, not a simulation of a living fly. No gameplay or brain activity is prerecorded.

How well did it learn?

Loading scores.

ControllerAverageMiddle scoreSpreadTime alive
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Read the experiment notes