April 13th - 26th 2023

Gamedev.js Jam 2023

Let's build Web games!

Join the Jam!

Platinum Partners


Gold Partners


Silver Partners


Bronze Partners
Enclave Games Web3 Gamedev School js13kGames


The Jam runs for 13 days: between April 13th and 26th 2023.


A globally available online event hosted at Itch.io.


Have fun building games and win some prizes at the same time!

Gamedev.js Jam celebrates Web games - build an HTML5 game within 13 days of the jam on a given theme, it runs between April 13th, 5 PM CET and April 26th, 5 PM CET 2023. Also, there are prizes!

Join the Jam!

Theme for this year's jam will be announced on April 13th. Remember that your entry will be judged based on how well you implement the theme, but you can interpret it however you like.

Join us no matter your skill level - this game jam is a perfect opportunity to create your very first game, or build a prototype for your next commercial hit. Almost two weeks of development time should be more than enough!

You can use #gamedevjs hashtag on Twitter to share your progress, ask for feedback, see what others are building and hopefully help them out if they need it. There's also a Discord server for direct communication!


There are two optional categories in the Jam: Web Monetization and Decentralized. Entries submitted to those categories will be judged separately by the panels of experts.

Take part in the Decentralized category if you'd like to implement any of the decentralized technologies in your jam submission. Those could be from partners (TBD) if you'd also like to complete any of the challenges, or it can be something else entirely.


Challenges are part of the Decentralized category - you are free to take on any of them, or all at once.

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Each and every challenge offers unique prizes, so make sure to check those out.


There are three levels of prizes: for all the entries, for specific categories, and for challenges.

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Winners will also be promoted via our Twitter, on the gamedevjs.com website, and in the Gamedev.js Weekly newsletter.


Panel of experts giving feedback to your entries, and judging games based on challenges taken from available categories.





Links from around the Web that can help you build your game for the Jam, especially for the new Web Monetization and Decentralized categories.

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Feel free to suggest more materials if you have something solid to share.

Submitting your entry

Submit an HTML5 game between April 13th and 26th 2022 through the Itch.io platform. It can be a solo submission, or a team effort. You can even submit more than one entry if you want to.

Voting on entries

Voting will be open to all who submitted a game, and will happen via the Itch.io platform for a week right after the submission period ends - between April 26th and May 3rd. Winners will be announced on May 10th.

Games will be voted on based on a given criteria: Innovation, Theme, Gameplay, Graphics, and Audio. The Overall ranking will be based on the summary of those.

Following the rules

The short version is: anything that can run on the Web in a browser without extra plugins is considered a valid jam entry. It's highly advised you create new content for the jam - submitting your old demos or already finished projects makes no sense.

If you have any questions or concerns please ask at the Community forums or join our Discord server.

Gamedev.js Survey 2022

Gamedev.js Survey 2022

Gamedev.js Survey 2022 is over, and the Report was already published! If you participated and submitted your answers - thank you! Feel free to view and use the results of the current state of Web Game Development in 2022 as long as you credit and link to the source.

Code of Conduct

All participants and judges of the Gamedev.js Jam are required to agree with the following code of conduct. Organizers will enforce this code throughout the online event. We are expecting cooperation from all participants to help ensuring a safe environment for everybody.

Gamedev.js is dedicated to providing a harassment-free competition experience for everyone, regardless of gender, sexual orientation, disability, physical appearance, body size, race, or religion. We do not tolerate harassment of competition participants in any form. Competition participants violating these rules may be sanctioned or expelled from the competition at the discretion of the competition organizers. TL;DR: Be excellent to each other. For more details see Berlin Code of Conduct.

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