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Game jam · October 2026
Star Halloween
Jam
Build something worth playing on Halloween. Creepy, cozy, funny, or strange. Start something new, or give a game created on or after September 1 a substantial Halloween update.
New in the Halloween Update
Haunt your friends online.
Star builds the game server now. Add ghost voices, a soundtrack and a cinematic.
Explore the update- Submit by
- Oct 31, 11:59 p.m. Pacific
- 14 days left
- What counts
- Created on Star on or after Sept 1
- Returning games need a substantial Halloween update.
- How to enter
- Enter when you publish
- Publish publicly during the jam, or submit from this page.
- Top prize
- 3 months Pro and $100 credits
- The top three are featured on Explore for 14 days.

Be the first to submit
Publish an eligible game during the jam window and enter from the publish dialog or this page.
Make a game How it works
Rules
- Who: any creator with a Star account. You can join without entering an earlier jam.
- When: submit by October 31, 2026, at 11:59 p.m. Pacific.
- Theme: Halloween. Make the season part of your game's setting, story, or gameplay.
- What: a game created on Star on or after September 1, 2026, and publicly published or republished during this jam. The creation cutoff is midnight Pacific. Any genre or scope, 2D or 3D, solo or multiplayer.
- Returning games: Fall Jam and Monster Mashup entries and winners can enter. Add a substantial Halloween-themed update during this jam, then publish a new version. Tell us what changed in your game's description. Previous entries do not enter automatically.
- How: leave Enter the Star Halloween Jam checked when you publish, or use the Submit buttons under "Your games this jam" after publishing your new version.
- Judging: the Star team picks the top three for fun, creativity, replayability, and interpretation of Halloween. Returning games are also judged on the work added during this jam. Featured picks recognize standout entries.
- First place: 3 months Pro and $100 in credits.
- Second place: 1 month Pro and $50 in credits.
- Third place: 1 month Pro and $25 in credits.
- Explore spotlight: all three winners get 14 days featured on Explore.
- Already on Pro? Receive the Pro credit allowance for your prize's subscription months, plus your bonus credits.
- Badges: every submitter earns a permanent Participant badge. The top three earn Winner badges, and featured picks earn Featured badges.
- Multiple entries: yes, submit as many as you want.
- Iterating: keep building after you submit. The judged version is the latest published version at the moment of judging.
Share your progress and find playtesters in our Discord.
Permanent badges
Permanent recognition for your profile. You can earn more than one.

Participant
Every creator who submits a game during the jam

Featured
Standout games picked by the Star team

Winner
Top three finishers, picked by the Star team
Top three rewards
The top three finishers also get:
1
3 months Pro, $100 credits, featured on Explore for 14 days
2
1 month Pro, $50 credits, featured on Explore for 14 days
3
1 month Pro, $25 credits, featured on Explore for 14 days