Funbrain
FunBrain is an educational browser game website for children and adults. It was on this site that Diary of a Wimpy Kid was first published before being turned into a successful book series and movie franchise.
Here you'll find a selection of online educational games for kids of all ages focusing on reading as well as math, grammar, science, spelling, history). Whilst it once age is aimed foremost at the U.S. market there are lots of activities to explore and a great range for popular texts for online reading.