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Choose the traits you want. The engine works backward from those traits to a seed you can open and share.

Try:

Unspecified traits can vary.

All rows apply together. “About” allows a small difference; minimum and maximum are bounds. Ratios compare lengths, not pixels.

How does this work?

Each result encodes a set of developmental inputs in its seed. Counts, colours and choices are solved by reversing their equations. Shape ratios can need an approximate fit. Each result shows what matched and what missed; “closest found” is not a guarantee of the closest alien in the entire space.

Newly constructed seeds are long because they store the genome itself. Use Copy or save the record. Existing short seed links still work.

Query JSON · for scripts and precise requests

Start with an example or add a characteristic.