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Run virtual evolution and watch bizarre creatures learn to walk, jump, and crawl from random genes. A modern recreation of Karl Sims' 1994 evolving virtual creatures with MuJoCo physics, tunable gravity and population, plus tools to save, clone, and replay your champions.

Positive Now
100%1 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Steady at 100% positive since 21 Oct 20261 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count