The Best 8 Ruby Warrior Alternatives

  • CodinGame

    CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics.

    Free Web

  • CodeFights

    Duel with friends and foes in head-to-head programming battles!.

    Free Personal Web

  • exercism

    Download and solve practice problems in over 30 different languages. For code newbies and experienced programmers.

    Free Open Source Web Terminal

  • Codewars

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

    Free Self-Hosted

  • CheckIO

    CheckiO is expanding the world’s code literacy through gameplay. We always wanted to create the most entertaining game where gaming and coding experiences are interlaced, where there is no border between playing and learning new skills.

    Free Open Source Web Pycharm WebStorm

  • Screeps

    Learn to code JavaScript by playing game. This game claims to be the world’s first MMO strategy sandbox game for programmers.

    Commercial