Katas

Short exercises to practice TDD, design and refactoring until they become second nature.

Bowling

Calculate bowling score

NoviceShort

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Fibonacci

Implement the famous Fibonacci sequence using TDD

NoviceShort

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Fizz-Buzz

A simple game to start your TDD journey.

NoviceShort

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Leap Year

Calculate whether a year is a leap year

NoviceShort

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Game of Life

Code Conway's famous cellular automaton using TDD

Advanced beginnerMedium

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Gilded Rose

A famous kata to start your refactoring journey

Advanced beginnerMedium

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Mars Rover

Move rovers around a plateau on Mars

Advanced beginnerLong

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Poker Hands

Your job is to compare several pairs of poker hands and to indicate which, if either, has a higher rank.

Advanced beginnerLong

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Yahtzee

Calculate Yahtzee scores

Advanced beginnerLong

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Corporate Hotel Booking

Build a corporate hotel booking engine using Outside-In TDD

ProficientLong

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Mastermind

Recreate the classic Mastermind game using TDD

ProficientLong

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RPG Combat

A fun RPG game to improve your TDD and design skills

ProficientLong

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Ugly Trivia

A trivia game with ugly code ready to be refactored

ProficientMedium

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Zombie Survivor

The zombie apocalypse is here!! A fun game to improve TDD and design skills

ProficientLong

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Social Network

Build an X-like social network, from the console to the web and mobile

ExpertLong

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