🧬 Evolution Arena — 3D Creature Evolution

Evolve 3D creatures from scratch with a real genetic algorithm. Bodies of nodes and muscles are bred alongside their neural nets, then tested on walking, jumping, climbing, sumo and bridge combat.

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Real Genetic Algorithm

Nothing is designed. Everything is bred.

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9 Objectives
Walk, jump, climb, sumo, bridge, push & more
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Neural Nets
Each creature has its own evolved brain
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1v1 Sumo
Real grip physics, tachiai, topple detection
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Evolving Bodies
Nodes, muscles, limbs — all bred, not placed
🧬 Launch Evolution Arena ↗

Opens in a new tab — full 3D experience with real physics

How it works: Every creature is a graph of nodes connected by muscles, driven by a neural network. The genetic algorithm breeds bodies and brains together — creatures that walk farther (or shove opponents out of the ring) pass their genes to the next generation. Over hundreds of generations, you watch evolution discover bipeds, tripods, rolling bodies, and strategies no human would design.

Controls: Choose from 9 fitness objectives, adjust gravity, friction, mutation rate, air drag, and muscle strength. The cinematic camera auto-follows the leader. Drag to orbit, scroll to zoom.