Funcle

A daily puzzle game where you guess programming functions. Test your knowledge of C++, C#, and more.

C++ Functions

Guess the daily C++ standard library function. Match headers, versions, and more to solve the puzzle.

Guess the daily C# function. Test your knowledge of namespaces, versions, and language features.

Explore puzzles from the past. Play old puzzles for fun without affecting your daily streak.

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Enter a function name to make your guess. Get typeahead suggestions as you type.

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Wrong guesses reveal information: correct fields show green, hints show which direction to go.

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Solve the daily puzzle to build your streak. Come back tomorrow for a new challenge.

One puzzle every day. Test your programming knowledge and learn something new.