Field notes Read the eight-day rain and evaporation forecast. Choose 0, 2 or 4 units of irrigation each morning, then advance the day. Harvest at least 20 growth units with runoff ≤2. Only 18 irrigation units are available. Soil holds 12 units. Excess runs off. Daily growth reaches 3 when moisture covers evaporation plus 3; drought reduces growth proportionally.
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/ajwdewit/pcse · 293 observed stars · EUPL-1.1. Commit 67a28e56b0e3.
Original GPT-generated watercolor is part of the playable habitat board.
