The Riddler

The Riddler is a weekly set of online puzzles and brain games by FiveThirtyEight.

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To Solve The Eccentric Billionaire’s Puzzle, You Must First Defeat The Banker

Edited by Oliver Roeder

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I’d Like To Use My Riddler Lifeline

Edited by Oliver Roeder

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The New National Pastime: Competitive Coin Flipping

Edited by Oliver Roeder

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How Many Hoops Will Kids Jump Through To Play Rock, Paper, Scissors?

Edited by Oliver Roeder

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Step 1: Game Theory. Step 2: ???? Step 3: Profit!

Edited by Oliver Roeder

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Where On Earth Is The Riddler?

Edited by Oliver Roeder

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The Eternal Question: How Much Do These Apricots Weigh?

Edited by Oliver Roeder

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The Perfect Doodle Puzzle To Keep You Busy During Boring Meetings

Edited by Oliver Roeder

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Damn The Torpedoes — Two Puzzles Ahead!

Edited by Oliver Roeder

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Can You Slice This In Half?

Edited by Oliver Roeder

Filed under The Riddler

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