Halloween Game Jam is a week-long game development event held at our locations in Sweden and Latvia, where participants form teams to create interesting game prototypes. Teams can be pre-formed or assembled at the start of the event, making it easy to join whether you come alone or with others.
Held every year around Halloween, Halloween Game Jam brings game developers together for several days of making games, meeting people, and sharing the experience with the community. The jam ends with a huge Halloween party, where everyone gets the chance to put their work aside, dress up, and celebrate together.
Halloween Game Jam 2026 begins on October 24 16:00 (+02:00) and ends after the Halloween party around November 1 02:00 (+01:00).
Tickets are free and include accommodation.
Halloween Game Jam ends with our big Halloween Costume Party, where everyone puts their games aside for the night, dresses up, and celebrates the end of the jam together.
This year's costume theme is Dungeons & Dragons meets Music.
Take a classic fantasy character or class and mix it with a music genre, band, or artist. Imagine a punk rock paladin, disco wizard, heavy metal barbarian, country bard, or a rogue inspired by your favourite pop star. You can lean heavily into the fantasy side, the music side, or find some wonderfully ridiculous place in between.
Are you sure?