This jam is now over. It ran from 2026-02-16 05:00:00 to 2026-06-16 04:00:00. View 6 entries

Total//Effect//Jam

Total//Effect v2 is out! To celebrate that and NULL_SPACE's launch, I'm hosting a jam. Make whatever you want as long as it's relevant to the system or one of the games in it:

  • A game, partial game, mechanic, etc. designed using the basis of the aforementioned Total//Effect SRD.
  • Content made for one of my Total//Effect games, NULL_SPACE or Valiant Horizon.
  • Content made for other existing Total//Effect games: Gensokyo Days, The Serket Hack, if I missed others please hit me up and I'll list them.

Ground Rules

  • No fascists, no racists, no homophobes, no transphobes, etc.
  • No AI whatsoever. If you're wondering if a particular use case or kind of AI counts, it does.

Licensing

Reminder that Total//Effect is licensed as CC BY 4.0, so please put text to the following effect in your product if using wording from it:

This work is based on the Total//Effect SRD by Binary Star Games (https://binarystar.games) and licensed for use under Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)

Beyond that, feel free to make your games free, charge for them, whatever you like. This is an unranked jam, go nuts.

Submissions(6)

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Castle-Crawling in a Haunted Solar System
[Ashcan] Solo Racing TTRPG for the Total//Effect Jam
Doing violence in the universe of NULL_SPACE!
Starship dogfighting in the far future.
2 Additional Classes for Valiant Horizon inspired by the Transforming Hero genre.