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awesome_challenge_list

★ 36 Open GitHub ↗

A list of sites with challenges to improve your programming skills

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[![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)

- [Codewars](https://www.codewars.com/about) - Codewars is a collective effort by its users. They are creators - authoring kata to teach various techniques, solving kata with solutions that enlighten others, and commenting with constructive feedback.
- [Ruby Koans](http://rubykoans.com/) - must have
- [Project Euler](https://projecteuler.net) - Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
- [Codility lessons](https://codility.com/programmers/lessons/)
- [Practicing Ruby](https://practicingruby.com/) - Delightful lessons for dedicated programmers
- [Rubeque](http://www.rubeque.com/problems) - Solving ruby koans and problems from easy to deadly hard
- [Ruby Warrior](https://www.bloc.io/ruby-warrior#/) - Learn Ruby through a triumphant quest of adventure, love & destiny
- [Coding Mystery](https://codingmystery.com) - Coding Mystery sends you on a journey of escape-room-inspired mysteries full of coding puzzles, programming challenges, and problem-solving.
- [CodinGame](https://www.codingame.com/home) - CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics
- [Ruby Quiz](http://rubyquiz.com) - Ruby Quiz is a programming challenge for Ruby programmers in the spirit of the Perl Quiz of the Week

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