Submissions open from 2026-01-16 22:00:00 to 2026-02-07 04:59:00
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Welcome to the Colossal Kaiju Jam!

Godzilla, Gamera, Pacific Rim, Kaiju No. 8... who doesn't love rampaging monsters and epic kaiju battles? In this jam, you'll have the chance to create a game about your own strange creatures and their enemies... be it other monsters, mankind, or something else entirely. You'll have 3 weeks to create something awesome, and then the week-long voting period begins.

The goal of this jam is to bring some innovation to the kaiju genre. Please avoid using existing IPs and create a giant monster of your own! Feel free to draw inspiration from existing sources.



YOUR MISSION: Create a game about giant monster(s). 

You do not have to play as the giant monster; you could be mankind trying to defend against it. Or, you could make a monster brawler where the only characters are giant monsters. All that matters is that giant monster(s) are central to the game. The game does not need to feature more than 1 monster, but it can. The more, the merrier!



Theme

The theme will be announced when the challenge begins.



Rules

  1. No AI-generated content.
  2. No NSFW content.
  3. Do not use existing IPs.
  4. Submissions must be made entirely within the 3 week jam period.
  5. Third party assets are allowed, with proper permissions and attribution.
  6. Teams are allowed (and encouraged!).


Voting Criteria

  1. How AWESOME are your monster(s)? Do they feel impressive and destructive? Or do they fall flat?
  2. How FUN is your game? Is the game a good experience, or is it clunky?
  3. How well does your game adhere to the THEME?