Submissions open from 2025-04-29 06:00:15 to 2025-09-22 18:58:22
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Build a Better World TTRPG jam banner

“We live in capitalism,” said Le Guin, “Its power seems inescapable. So did the divine right of kings.” It’s up to us, as games makers, to help people envision alternatives to how we live now, how we can build a better world.

DEADLINE EXTENSION: JAM ENDS ON SEPT 22 2025

TTRPGs are a fantastic way to build community and bring solace in harrowing times. Many of us, all over the world, are going through difficult and anxious days. With the community at The Lost Bay server we’ve decided to host this jam as a space for the indie TTRPG scene to come together and imagine a better future.

The jam lasts until summer solstice on June 21st 2025. During the jam you’re invited to craft TTRPG material: a game, an adventure, a setting, a player handout, something, anything!

The jam is open to any system and any kind of game, as long as you follow the rules and guidelines below. You can write about goblin revolutions, post-apocalyptic house-builders, space fantasy maintainers of intergalactic love streams or anything else you can imagine.

If you’re looking for friends and collaborators, folks to share your visions of a new brighter world and RPG project, jump on The Lost Bay server. During the jam various public events will be held, such as online/IRL workshops, game sessions. Subscribe to The Dispatch newsletter to get news about the jam.

Thumbnail and banner art by Roque Romero

RULES

  • Create a tabletop role-playing zine/game/supplement about Building a better world.
  • Please consider making your work accessible, by at least uploading a text file version. Check Make Accessible TTRPGs! For more information about accessibility and RPGs.
  • You're free to charge for your submissions if you want, but for the sake of building a more welcoming community consider offering a free version: snippet, demo or Community Copy.
  • Submissions may be in any language but please add to the entry page a short description in English for accessibility purposes.\
  • Submissions may include work that critiques oppressive and bigoted powers.
  • Your product must have appropriate content warnings.
  • No submissions may include AI generated content, art, text or otherwise.
  • No submissions may include NFTs.
  • No submissions may include hate speech or bigoted speech towards minorities or marginalized identities.

You may add to your submission one of the official jam logos. If you do so, be sure to add a credit line: Logo: Roque Romero. Adding jam logos is totally optional.

WHO

This jam is organised by the community of The Lost Bay Studio discord server.


RESOURCES

Building a Better World Game Jam

SRDs

System Reference Documents AKA cool games you can hack

  • https://tunnelgoons.com/srd Tunnel Goons is a simple table-top role-playing game. It's a light weight 2d6 system that can be applied to many different genres and settings.
  • https://fari-rpgs.itch.io/breathless-srd The Breathless SRD is a creation toolkit that helps you design a game where every mechanic ever-increasingly rises the tension until the characters are forced to suffer dangerous consequences.
  • PUSH SRD https://capacle.itch.io/push A story-driven, stat-free system for games that want lots of action without a lot of number crunching. Built on an easy to grasp push-your-luck mechanism.
  • CHARGE SRD https://fari-rpgs.itch.io/charge-srd What if Forged in The Dark was super lightweight? You’d get something that looks like this. Players can explore and challenge an existing world, instead of building one around themselves.
  • Second Guess SRD https://gamenomicon.itch.io/second-guess-system-srd If you have 1d20, 1d6, and want to write a profoundly weird one-page solo game, the Second Guess system was written for you.
  • Caltrop Core https://titanomachyrpg.itch.io/caltropcore When you need bare-bones elegance, it doesn’t get more condensed than “roll 1d4 to determine degrees of success and failure.”
  • A more complex version of Caltrop Core: https://titanomachyrpg.itch.io/ccex
  • PASSKEY SRD https://penflower-ink.itch.io/passkey-srd This system allows players to choose between spending points and testing their luck to achieve varying degrees of success. Great for strictly narrative games. (Known for Stravagante!)

Making Zines: how to’s & tutorials

Free zine-making app

Writing roleplaying games

Solarpunk and Climate Games

Submitted so far(76)

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one page story game about helping your friends
Help a settlement in the Wastes get back on their feet
A game of surviving infection and cleaning up the world.
Make a game about extinct animals and use these little critters for free
Explore a terraformed jungle in this solo journaling game. Attempt to find a new home for humanity!
Build a community, sue the landlord, grow a garden
improve world through fae song and dance.
A Dialectical Daily Life Simulator
Intrepid adventurer, do you dare enter the Royal Catacombs and unleash the ghosts of the past?
Leviathling is a Solo Roguelike RPG centred on mutation and exploration.
Prompts and suggestions for making unique solarpunk cities
A system-agnostic, post-collapse adventure
Windwaker meets Waterworld in this one page TTRPG
A GMless Tarot TTRPG about changing the future
A collaborative roleplaying game or repairing a damaged place
logos to highlight community‘s role in your projects
A cozy hexcrawl game
Un gioco di Resistenza al disboscamento umano.
anti-capitalist attempt at self-goverance
A GM-less solo/ co-op journaling game about humanity's journey through the stars in search of a new homeworld.
A Game About Trying to Take Care of People, Despite Management and Paperwork
Save the World by creating habitable pathways between the Green
A one-shot RPG about tiny mushrooms on big missions.
A L&F hack about friends and helping in small ways <3
A playlist-making solo game for the strange and the sleepless
A lightweight, outrageous, timeline-saving tabletop roleplaying game
The first handbook you can wear!
Play as infrastructure, help humans, save the Earth
A two-page game of hazy truth and costly violence illuminated by LUMEN
a bright fantasy adventure ttrpg
Maintain a garden utopia that has lost its Gardener
Solo journaling game of weird creature discovery in the wilderness and wastes of the future
ANTifa is a GMless TTRPG about ANTs fighting fascism while keeping your QUEEN happy!
3 business card sized TTRPGs. Collect points by playing a difficult game
Turn your Health and Self-Care into an Adventure! Compatible with ANY roleplaying or solo-journaling game.
Community-building in the world of tomorrow
A Murder Mystery Journaling SoloRPG
Role Playing
Ten new planets/dimensions/realms for Portal Punk
A Supplement for Overthrowing Tyranny in Fantasy Role-Playing Games of the Old School
An essay about the true power of story games.
A game of haunted home improvement
A resource allocation game about a world within reach
A game about how cooperation can make our communities a better place to live when the climate changes.
Build connection to the places you live, familiar and unfamiliar
A wishing game for one player.
A Rock-Paper-Scissors system with character sheet and included Solarpunk Module
An adventure supplement for EcoMofos.
Adventure to free people, places and things.
The Revolution is coming...and you are in the way
Role Playing
RPG game about battling for the force of Good to save the world!
Building a better world through picking up wild trash.
A game of resistance against human deforestation.
Eine NSC Sammlung für Solarpunk 2050 - der Lost Flohmarkt
A Run for Echoes of the Veil (EotV) about one of the world’s worst men, El’On, opening a literal portal to hell.
Role Playing
The runners are hired to deliver a prototype by the Hope Lab that could make cops obsolete.
Role Playing
A TTRPG about building reputation within your community.
A solo journalling TTRPG to imagine a better future.
Magic’s cool until you're stuck with a souleater. Survive by doing good… like saving the world, I guess?
a solo RPG of postal virality
A NPC collection for a Lost flea market team
​A work-in-progress TTRPG about making the best of what we've got, 200 years in the future.
A journaling game about standing guard while your friends loot the vault
A solo journaling game about helping a community
use your deck of tools to identify, attune, and evaluate wondrous objects of power
A pamphlet adventure for Mothership
from a handful of buildings to a town
Break broken things that hurt you. Build something new.
Play as totally rad animals and resist an authoritarian regime
Zine about how to turn ttrpg monsters into anti-capitalist allegory