FantasticWinds

FantasticWinds gives players a bird's-eye view of a wind farm — and a virtual fan. Fan each turbine from the front and it spins; spin enough of them and buildings light up below to show homes being powered.

Five levels, one minute each, with more turbines every round. Fan from the wrong side or miss one five times and it's game over.

The core lesson sticks because you feel it: turbines only make power when the wind hits the blades right — and X turbines spinning means Y homes powered.