"The web-based game teaches rudimentary JavaScript fundamentals, including everything you’d learn in an introductory computer science course, by forcing you to

"The web-based game teaches rudimentary JavaScript fundamentals, including everything you’d learn in an introductory computer science course, by forcing you to code your way through the game. In order to get from one level to the next, you must understand the lesson being taught and prove it through writing your own code." - From the TC Article