CheckiO has a lot of features that become available, or unlocked, with higher levels. Here is a list of all the potential features and at which levels they become available to users.
We have finally two new missions for you thanks to kurosawa4434. You can create your own missions on CheckiO (you need to achieve level 9) and once approved they can become part of CheckiO Map.
An improvements to make the forum not only a place where you can get help with solving missions but also a place where you can learn something new and meet other people who share your love for coding
Hot section, last mission in the left menu, quick following, opened missions and happy holidays :)
find your friends from Facebook or Twitter playing CheckiO
We are on Product Hunt, CheckiO Digest, Liked by Followers, 2 more missions and so on...
Activity - released, 10 more missions are ready to play, ClassRooms are coming.