🧩 Sudoku
Classic 9x9 grid challenge. Fill empty squares so that each row, column, and 3x3 block contains every digit from 1 to 9 exactly once.
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🌳 Tents & Trees
Logic spacing grid. Place tents next to trees ensuring no two tents touch each other, even diagonally, to match row and column counts.
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🛤️ Train Track
Railroad path builder. Lay straight and curved track pieces to form a single continuous, loop-free path from Station A to Station B.
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