The Monkey Tales games are now available on the Mac App Store for Mac OS X 10.5 or later. They're available for US$14.99.

Here's how they're described: "Created in partnership between Die Keure, Belgium's leading educational publishers, and Larian Studios, a game developer with over 15 years of award-winning game development experience, the Monkey Tales series of games is for any kid that ever dreamed of having monkeys help with their homework.

"Each game adjusts difficulty on the fly as the child plays it, ensuring the experience is never too difficult or too easy. All the game mechanics used in the series are based on proven educational methods as well as four years of research and development involving teachers, schools, and universities.

"The Monkey Tales series consists of five math-focused games for ages 7 to 12. Each game is adapted for grade level and complies with US Common Core Standards and the 2009 Department of Defense Educational Activity (DoDEA) standards to help reinforce the topics covered in the classroom."