CodeCombat

Learn programming with a multiplayer live coding strategy game. You're a wizard, and your spells is a programm-language. .

Freemium Web

CodinGame

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

Free Web

hackerrank.com

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

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

Kattis

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

Commercial Web

Codeeval

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

Free Web

Geektastic

Unique peer-reviewed code challenges for deep insight into candidate's technical skills and abilities.

Commercial Windows iPhone Chrome OS

Code Arcade

built by codefights, code arcade challenges players to solve programming tasks to complete game levels. it's a fun way to hone...

Free Web

Screeps

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

Commercial