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js13kGames

JavaScript coding competition for HTML5 Game Developers.

Js13kGames is a JavaScript coding competition for HTML5 Game Developers. The fun part of the compo is the file size limit set to 13 kilobytes. It runs between August 13th and September 13th, online since 2012.

Joined on May 24, 2020

Andrzej Mazur

Oct 17 '25

T-shirts galore: two originals for $13

#gamedev #shopping #tshirts #javascript

2 min read

Andrzej Mazur

Oct 10 '25

js13kGames 2025 criteria rankings

#javascript #results #js13k #gamedev

5 min read

Andrzej Mazur

Oct 4 '25

js13kGames 2025 winners announced!

#competition #js13k #announcements #gamedev

3 min read

Andrzej Mazur

Sep 29 '25

On js13kGames deadlines and fixes

#gamedev #js13k #competition #deadlines

9 min read

Andrzej Mazur

Sep 17 '25

Our third js13kGames Community Soundtrack is here already

#soundtrack #music #audio #community

1 min read

Andrzej Mazur

Sep 14 '25

js13kGames 2025 voting is open!

#voting #js13k #javascript #competition

2 min read

Andrzej Mazur

Sep 4 '25

js13kGames 2025 voting criteria updated

#gamedev #competition #javascript #js13k

1 min read

Andrzej Mazur

Aug 20 '25

Online category with WebSocket relay in js13kGames 2025

#javascript #js13k #online #gamedev

2 min read

DEV Community

js13kGames

Meet the team

T-shirts galore: two originals for $13

js13kGames 2025 criteria rankings

js13kGames 2025 winners announced!

On js13kGames deadlines and fixes

Our third js13kGames Community Soundtrack is here already

js13kGames 2025 voting is open!

js13kGames 2025 voting criteria updated

Online category with WebSocket relay in js13kGames 2025