⚡ Higher or Lower
Is the right grid higher or lower? The left card shows a live European country with its value revealed; the right card shows another country with that value hidden. Guess Higher or Lower. Get it right (within a small margin, which counts as a tie) and the mystery card flips to the left, a new country appears, and your streak grows. One wrong guess ends the run. Answer within 3 seconds for a bonus streak point. Switch the mode to compare carbon intensity, renewable share, or grid size.
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Live production data from ENTSO-E and Nordic grid operators. Renewable share counts hydro, wind, solar, biomass and other renewables; nuclear is low-carbon but not counted as renewable. Values within a small margin count as a tie either way.