Learn boolean algebra and digital circuit concepts through interactive logic gate puzzles. Build and test circuits using AND, OR, XOR gates, and other components. Unlock advanced elements and create custom circuits in Playground Mode.
by Anthony Foster★ 4.8291 ratingsEducationFreeData updated 2026-09-09
Solve puzzles by placing one crown in each row, column, and colored region. No two crowns can touch, even diagonally. Generate unlimited puzzles across five difficulty levels. All levels are unlocked immediately. Share completed puzzles with friends.
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