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The Riddler

We have 144 Riddlers.

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When Will Your House Collapse? Should You Take A Construction Contract?

Edited by Oliver Roeder

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How Hard Is It To Find A Running Buddy?

Edited by Oliver Roeder

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Pirates, Monkeys And Coconuts — Oh My

Edited by Oliver Roeder

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How Fast Can You Type A Million Letters?

Edited by Oliver Roeder

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How To Cross The Street

Edited by Oliver Roeder

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Can You Find The Perfect Poker Hand? Can You Shut This Infernal Box?

Edited by Oliver Roeder

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When Will The Arithmetic Anarchists Attack?

Edited by Oliver Roeder

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How Often Will You Play A Nightmare Game Of Solitaire?

Edited by Oliver Roeder

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Can You Shuffle Numbers? Can You Find All The World Cup Results?

Edited by Oliver Roeder

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Can You Do Math With Shapes?

Edited by Oliver Roeder

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