No rectangles allowed!Corner Zap's light grid has one rule: A single color cannot appear at all four corners of a rectangle. Place your colors carefully, because once three corners of a rectangle match, the grid *guarantees* that the fourth won't ... by zapping it into a zillion pieces!Amp-up the challenge with these options: Two grid sizes One, two, or three light colors Locked lightsWatt are you waiting for, a revolt? Add sohm spark to your life with Corner Zap!
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