Dev tools · September 27, 2016
CheckiO United
Addictive Online games for Python and JavaScript coders
CheckiO United launched on September 27, 2016 with 86 votes, #480 of 3,743 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 10 years on.
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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Homegames. An open-source game platform I've been making for 8 yearsJul 2026 · homegames.io · ▲229I'm making a platform for simple open source games you can play anywhere. Games are all just JavaScript classes and you can read the source of every game on the platform. I started working on initial "games" (mostly rendering tests) in 2018 and eventually built all of the platform stuff around it to make it easy to share games. There's also an in-browser editor available for you to make and publish games all from the browser. Would love some feedback on the games and studio features as well as the platform overall. All of the code is available at https://github.com/homegamesio
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