Field notes A buoy begins on the west edge. Every turn, the current carries it one column east. Use north/south rudder to adjust one row, or coast to conserve battery. Preview the current below. Reach the recovery gate on row 4 at the east edge. Avoid reefs and the map boundary. Coasting is free. Rudder uses one battery. Undo lets you compare alternate trajectories.
Three challenges. Change the challenge to explore a new constraint. Your current experiment saves on this device.
Controls: tap or click the labeled controls. R restarts; U undoes an action.
Research & model limits Simplified educational game, not a scientific prediction. Original implementation; no upstream code or assets copied.
Concept research: https://github.com/Parcels-code/Parcels · 370 observed stars · MIT. Commit 267e8d4eaeb9.
Original GPT-generated watercolor is part of the playable habitat board.
