Twisting rows and columns restores six solid-colour faces on this Hungarian inventor's famous 3 × 3 × 3 puzzle.

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Math & LogicOne small aha

Your new ahaThe Rubik's Cube

The Rubik's Cube: A three-dimensional twisty puzzle with six coloured faces. Source: Rubik's Cube ↗

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14Teams solve a sequence of clues against a countdown in these themed puzzle experiences.RECALL
Escape Rooms
Escape rooms challenge teams to solve puzzles against a countdown clock, growing rapidly in popularity from the 2010s.
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15These puzzles cross-reference categories in a table, eliminating possibilities until each item has a unique match.RECALL
Logic Grid Puzzles
Logic grid puzzles are solved by eliminating options from a clue grid, needing no guesswork if used correctly.
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16Four connected straight lines must pass through a 3 × 3 arrangement of points in this puzzle; the lines may extend beyond the implied square.RECALL
The Nine Dots Puzzle
The nine dots puzzle illustrates how an unstated boundary can restrict thinking. The lines may extend beyond the square implied by the dots.
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