A game that lets players to play with software development is a great method of teaching coding and programming concepts like loops and conditional statements. Zachtronics Shenzhen I/O is a game that accomplishes this. It puts players in the shoes unhappy engineers who work for a boring company and must build computer chips manually. They are given increasingly complex circuits to design, starting with the making lights flash in a specific pattern.
The interface of the game appears very similar to web browser’s developer tools and teaches scripting. Screeps is another great example, which incorporates JavaScript code with massively multiplayer online gaming to build self-sustaining colonies. Both games are excellent at teaching the basics of concepts and slowly introducing others.