The software makes estimates on acres planted and projected yields by analyzing the soil color, how green the crop is and the rate at which the color changes.
Many African countries are looking to the crop-driven "green revolution" of Asia for ideas, but Ms Sibanda points out that what Africa needs is a "rainbow" revolution.
Their game, Crop Master: Protector of the Green Earth, is a series of eco-inspired mini games which include dropping massive corks into polluting chimneys and having to click the mouse fast enough to spin a wind turbine.