Recently I decided to let my 5 year old son try out Adventure Academy. He has had ABC mouse for quite awhile and he has seen the ads for Adventure Academy on there before so he was excited about it. So far it has been really great he is getting exposed to lots of various interesting and challenging content since it is designed for average 8-13 year olds. It suits him well because he loves games and likes to be independent in choosing what to do. It is definitely not an actual curriculum but it is a fun and educational game full of tons of different academically enriching videos, puzzles, lessons, books etc.

Thanks for sharing, this looks interesting.
Link - https://www.adventureacademy.com/

In addition to the features displayed for user interaction, I often take a look at a website's features behind the scenes. For Adventure Academy, I especially appreciate that the Privacy Policy webpage states, in part "... we never monetize your Personal Information."