For the 10th year in a row, hundreds of amateur game developers competed to build the best games using just 13 kilobytes of JavaScript. And a new category in this year’s competition — decentralized — also offered game makers the chance to explore an even more current set of technologies. The festival not only gave developers an opportunity to show off their skills but also showcased a larger theme in today’s tech culture: There’s always a critical mass of developers willing to blur the lines between playing and learning, but sharing is baked into the process — both of finished games, and of the tools and information needed to build them.

Every JS13K participant received a free two-month Coil subscription, while participants in its web monetization category were given a six-month subscription). The winning games were ultimately awarded cash prizes provided by Grant for the Web, a fund promoting web monetization.

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