1. Code Wars
2. Elevator Saga
3. Cyber Dojo
This game is working for donations and helps to connect programmers worldwide. Here you can learn how to solve issues in a team and develop coding skills effectively. The principle is simple: you see the final result and need to solve the task’s code. Enter the existing practice or create your own with a specific ID. Choose any exercises such as 100 doors, Word Wrap, or 12 days of Xmas. Here you need to work with functions, numbers, arrays, and integers.
5. Empire of Code
This game suits all schools levels, and even adults can play it. This is the most recognized creative coding tool among Code.org, BBC, WSJ, TechCrunch, and others.