# Awesome Challenges

A curated list of algorithmic challenges websites.

- [Advent of Code](https://adventofcode.com)
- [CareerCup](https://www.careercup.com/page)
- [CheckiO](http://www.checkio.org/)
- [CodeCombat](https://codecombat.com/)
- [CodeFights](https://codefights.com/)
- [Codeforces](https://codeforces.com/)
- [CodeHunt](https://www.codehunt.com/)
- [Codewars](http://www.codewars.com/)
- [Codility](https://codility.com/programmers/challenges/)
- [Coding Mystery](https://codingmystery.com/)
- [CodinGame](https://www.codingame.com/start)
- [CSSBattle](https://cssbattle.dev/)
- [exercism.io](http://exercism.io/)
- [Free Code Camp](https://www.freecodecamp.com/)
- [HackerRank](https://www.hackerrank.com/)
- [Interview Cake](https://interviewcake.com/)
- [InterviewBit](https://www.interviewbit.com/)
- [Kattis](https://open.kattis.com/)
- [LeetCode](https://leetcode.com/)
- [Project Euler](https://projecteuler.net/)
- [ROSALIND](http://rosalind.info/)
- [Screeps](https://screeps.com/)
- [smarterer](http://smarterer.com/tests/categories/Programming)
- [SoloLearn](https://sololearn.com)
- [TheHuxley](https://www.thehuxley.com/)
- [topcoder](https://www.topcoder.com/challenges/)
- [URI Online Judge](https://www.urionlinejudge.com.br/judge/en/login)

## License

Based on [bayadin/awesome-awesomeness](https://github.com/bayandin/awesome-awesomeness) repository.

[![Creative Commons License](http://i.creativecommons.org/l/by/4.0/88x31.png)](http://creativecommons.org/licenses/by/4.0/)

This work is licensed under a [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by/4.0/).

[challenges.md Github](https://github.com/mauriciovieira/awesome-challenges
)
