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AI · November 19, 2014

CheckiO

Open platform for AI competitions

CheckiO launched on November 19, 2014 with 102 votes, #359 of 1,965 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.

Visit checkio.org ↗CheckiO alternativestop 18% of November 2014

What it does

CheckiO - coding websites and programming games. Improve your coding skills by solving coding challenges and exercises online with your friends in a fun way. Exchanges experience with other users online through fun coding activities

Here on CheckiO we are creating games for coders. We have made py.checkio.org and js.checkio.org where you can improve your TypeScript and Python coding skills. We have also created Empire of Code - a space game with a mix of strategy, tactics and coding. In addition to the 50k monthly active Python and TypeScript players, who are constantly improving their skills by engaging in CheckiO missions and analysing other members’ solutions, CheckiO is used in more than a 100 different schools and universities. There are a lot of different ways in which we can assist companies. CheckiO is a great promotional tool for your services. JetBrains and Hired have proven our effectiveness to offer…from checkio.org

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