DinoRunner

Jump and duck to survive an endless desert

Press Space to start
Max Speed: 13
Current Speed: 6

↑ / Space jump  |  ↓ duck  |  R restart

How it works

The AI uses pixel-accurate physics simulation to decide when to jump or duck. It computes the exact jump arc at the current speed, then finds the precise distance window where jumping clears each obstacle. Mid-air, it simulates speed-drops frame by frame to land as quickly as safely possible. Pterodactyls are handled by height: high ones fly overhead, medium ones get ducked under with pixel-accurate timing.

Tap Viz to watch the AI think. Paths appear ahead of the dinosaur — blue for jumping, orange for ducking/dropping, dark for running. The thick line is the chosen action; fainter lines are alternatives. A badge above the dino shows the current decision.

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