1️⃣ CodinGame

CodinGame offers up fun free games to help learn more than 25 programming languages, including JavaScript, Ruby, and PHP.

📎 https://www.codingame.com/start

2️⃣ CodeCombat

CodeCombat is aimed at helping students embrace learning as they play and write code from the very start of their adventure.

📎 https://codecombat.com/

3️⃣ JSRobot

Learn JavaScript by playing a platform game: Control a robot to collect coins, avoid obstacles and reach the flag at the end of the level.

📎 https://lab.reaal.me/jsrobot/

4️⃣ Codewars

Code Wars helps you improve your skills by training in challenges with others. They offer a huge variety of languages, including JavaScript, Python and more.

📎 https://www.codewars.com/

5️⃣ Elevator Saga

Elevator Saga tests your JavaScript knowledge with challenges related to moving an elevator and transporting people in the most efficient manner possible.

📎 http://play.elevatorsaga.com/

6️⃣ Crunchzilla

Crunchzilla offers interactive tutorials that get people excited about programming. Play with code, build, and learn.

📎 https://www.crunchzilla.com/

7️⃣ Screeps

It's an open-source game for programmers. You control your colony by writing JavaScript.

📎 https://screeps.com/

That's all for this thread. If you found this useful, consider retweeting the first tweet. It would mean a lot to me. 😊🙌