
Change the past in a tiny 3D garden puzzle
Change a garden in 1996 and watch the consequences unfold in 2026. Redirect water, grow a bridge from roots, and guide light home across six short puzzles. Built with GPT-6 Astra in Codex. Free to play in your browser, with no sign-up or runtime AI calls.
Pace needs two or more snapshots. This launch has 1, so velocity and momentum read as unmeasured rather than zero.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.