Choose an event, read its rules and join in. Only jams whose submission deadline has not passed stay on this list.
Find more jamsCurrent jams: 4
All dates and times are in UTC. Events disappear automatically at their submission deadline.
Akzidenz, xenobrain, marc
Make a game with a play session lasting up to 20 seconds. A relaxed format without rankings or prizes, with a community for finding teammates.
Any engine. A free browser version hosted on itch.io is required. Check the rules for the specific generative AI and disclosure conditions.
GitHub
GitHub's annual online jam for November. Participants build a game around a shared theme, then play and rate each other's entries.
Work solo or in a team with any engine or language. Publish the source in a public GitHub repository and submit the game through itch.io.
GDevelop
Nine days to build a game in GDevelop. After submissions close, participants rate each other's games, with additional organizer awards.
GDevelop only, with up to four people per team. A free browser game with English text, published on both itch.io and gd.games.
Game Maker's Toolkit
A four-day online marathon by Game Maker's Toolkit. Join solo or as a team; the theme is revealed when the jam starts.
Any engine. The free itch.io game must support Windows with keyboard and mouse, in a browser or as a download. AI-generated art and audio are prohibited.
Submissions have closed for every event in this selection. Use the calendars below to find another jam to join.
Browse calendarsCalendars and communities help you discover new events and check the next edition.
Online jams filtered by start date, open submissions and rankings. Join on the page of the event you choose.
A calendar of events from different organizers. Confirm dates, rules and entry availability on each jam's own page.
An international jam with local sites. The official website publishes dates, registration openings and participation information.
A jam for building a game around a shared theme. Find rules, help and a link to join the next edition on its website.
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