
1 in 8 Billion
Life SimulationBe born as a random person somewhere on Earth and live their life, year by year.
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Play free — official siteVibeGameDB lists 5 games in this group, 83% of the 6 games on the Data-Driven page. Each one has a source for how it was made. The most common engine is No engine (HTML5) (40%). 5 are free or free to play and 0 are paid. The most recently added is ネスゴシ (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.

Be born as a random person somewhere on Earth and live their life, year by year.
Plays instantly in the browser
Play free — official site
Be born at random somewhere in Chinese history, then live that life one year at a time.
Plays instantly in the browser
Play free — official site
You overslept on the train and woke at an unknown station. Open the route map one line at a time and name where you are. The developer says Claude Code did the implementation.
Plays instantly in the browser
Play free — official site
Live one boy's baseball life from birth to death, year by year, with odds drawn from public statistics; its beginner developer says Claude Code designed and built most of it.
Plays instantly in the browser
Play free — official site
A daily taxonomy puzzle: place one species in the tree of life, rank by rank, with 10 seconds per choice; the developer says it took three afternoons of vibe-coding with Claude.
Plays instantly in the browser
Play free — official site