Js13kGames

Js13kGames

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Web Game Development Competition in just 13 kilobytes. HTML5 and JavaScript Game Development Competition in just 13kb.

24/03/2026

Andrzej presents all the 2025 swag: t-shirt and dice, plus the bonus rigid yard sign.

23/03/2026

Ewa is proudly showing her own design.

Stop! Swagger time! 26/02/2026

The 2025 t-shirts were finally shipped! 🎉

https://js13kgames.com/2025/blog/stop-swagger-time

Thank you all for your patience!

Stop! Swagger time! It seems having issues with the shipping is our yearly tradition, but I didn’t expect politics to come in and mess with the process. That’s exactly what happened this time, beside a few absolutely relevant problems we also encountered along the way.

26/02/2026

Andrzej and Ewa with the js13kGames 2025 t-shirts on.

24/12/2025

Happy holidays to all celebrating!

T-shirts galore: two originals for $13 17/10/2025

Update about t-shirts: from shipping the 2025 one, through getting the originals, to buying Retro and others from the shop.

T-shirts galore: two originals for $13 If your entry ended up in the top 100 games overall, then you’ve just received an email with all the details about this year’s t-shirts and how to claim them — and an offer to grab one of the limited originals from previous years.

14/10/2025

Will is ready to train.

13/10/2025

The overall winners of 2025 were announced already, but what about the categories? We had:

- Desktop
- Mobile
- Online
- WebXR
- Decentralized

Let's look at the best games in those in comments ⤵️

Criteria rankings 10/10/2025

The js13kGames 2025 winners have been announced a few days ago already, including all the category rankings. Let’s see the specific criteria that comprise the overall results. Plus some extra rankings about the voters in our community.

Criteria rankings The js13kGames 2025 winners have been announced a few days ago already, including all the category rankings. Let’s see the specific criteria that comprise the overall results. Plus some extra rankings about the voters in our community.

05/10/2025

Here are the WINNERS of the 2025 competition, congratulations! 🎉

1. CLAWSTRIKE by Rémi Vansteelandt
2. Cat Survivors by Elias Ku and Alexandra Al
3. Witchcat by Jonathan Vallet and Lylouf
4. Triska the Ninja Cat by John Edvard
5. Black Cat Squadron by Jesper Rasmussen
6. Catculus by Antti Haavikko
7. Non-Mewtonian Cat by Mohammed Saud
8. Whiskers Witch Adventure by Rob Louie
9. Kuro Neko Market by Federico Tibaldo
10. Ashes of Ulthar by Elliot Nelson
11. Echoes of Nyx by Corentin Pillet
12. Celestial Paws by Daniel Cohen
13. Kittens United by Almut Kieffer-Jones

Blog post: https://js13kgames.com/2025/blog/winners-announced

Full results: https://js13kgames.com/

29/09/2025

An important blog post about deadlines and fixes in the competition - read carefully for the full story or check out TL;DR at the bottom for the summary.

https://js13kgames.com/2025/blog/deadlines-fixes

17/09/2025

Our third Community Soundtrack is up on Bandcamp already!

https://js13kgames.com/2025/blog/community-soundtrack

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