I liked the idea to make learning fun through applying gamification. I found it quite satisfying to work through a set of micro coding problems, it is like gaining some experience points in a video game. Review collected by and hosted on G2.com.

The rationale given for producing wrong solutions is obscure or recondite. It is difficult to get improved when there are not sufficient instructions provided or when it is just hard to comprehend the flaws that have been committed. Review collected by and hosted on G2.com.