Python 3.4.2 is Now Available

The new release features a number of bug fixes, some minor improvements and a neat little feature for Mac OS X. Let us know what you think of it in the comments on our blog!

New Missions

Help translate your favorite books into braille in the new English to Braille Translator mission! Define national boundaries by applying the four color theorem in the Color Map mission!

Make CheckiO's Next Island

Have you ever wanted to make your own Island in CheckiO? Well, with your feedback, we can make that happen! With just two minutes of your time, you can help decide the fate of the world of CheckiO