Alternatives to CodeFights for all platforms with any license





Web / Online


Indie / Classic

Other Platforms

  • Project Euler icon

    Project Euler

    Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical...

    Free Web / Cloud

  • Coderbyte icon


    Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you...

    Freemium Web / Cloud

  • icon

    A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world...

    Free Web / Cloud

  • Robocode icon


    Robocode is a programming game where the goal is to code a robot battle tank to compete against other robots in a battle arena. So the...

    Open Source Mac Windows Linux BSD

  • LightBot icon


    Lightbot is a programming puzzle game: a puzzle game that uses game mechanics that are firmly rooted in programming concepts. What...

    Commercial Mac Windows Web / Cloud Android iPhone Windows RT ... Android Tablet iPad Kindle Fire

  • Codeeval icon


    CodeEval is platform for hosting coding challenges which has over 20,000+ competitive developers.

    Free Web / Cloud

  • Codewars icon


    Achieve code mastery through challenge. Improve your skills by training with others on real code challenges Kata In our dojo...

    Free Self-Hosted

  • Topcoder icon


    Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world...

    Free Web / Cloud

  • Colobot Gold icon

    Colobot Gold

    Colobot Gold is modified version of the original Colobot game released by Epsitec under open source (GPLv3) license. Source code was...

    Open Source Windows Linux GitHub

  • Colobot icon


    CoLoBoT is a free strategy game with open source code. You can program robots in it, in language called CBOT, which is based on C++...

    Open Source Windows

  • FightCode icon


    Fight Code is a game where you use your skills to code your own robots using JavaScript, challenge your friend or foe robot and start...

    Free Web / Cloud

  • Kattis icon


    Kattis helps companies make safer recruitments and attract the best developers with its dynamic challenge platform. With Kattis...

    Commercial Web / Cloud

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  • icon

    Journey helps fast growing companies hire the best candidates by using interactive simulations that measure soft skills and...

    Commercial Web / Cloud

  • BerryBots icon


    A simple robot game where you can program both the stage and the robot in Lua.

    Open Source Mac Windows Linux Raspberry Pi

  • Human Resource Machine icon

    Human Resource Machine

    Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job.

    Commercial Mac Windows Steam

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