Category Archives: One Page Adventure Jam

Winner of the 2025 One-Page Adventure Jam!

After more than a week of voting, a winner emerged: Ghost Ship of Theseus by Josh Romig! Congratulations Josh! This is a story about some very unnerving unintended side effects of Builder tech on human minds and ships. Check out the winning adventure and the other five submissions from this year’s jam over on Facebook!Continue reading “Winner of the 2025 One-Page Adventure Jam!”

2025 OPA Jam – post mortem

The deadline for 2025 One-Page Adventure Jam “Echoes of the Builders” has come and gone. Six submissions this year, from puzzles to potential planetary doom, the dangers of human curiosity, altered minds, and moral choices. The voting has started on Facebook. In about a week we should know the winner and soon thereafter some datesContinue reading “2025 OPA Jam – post mortem”

Opportunity and power; from above and below

Whether your players’ characters are merchants, smugglers, mercenaries, pirates, marines, scientists, or miners, they all share in largely being subservient to some political, ideological, or corporate superiors. Marines of the MCRN protect scientists on missions to the various new worlds beyond the rings, the scientists in turn serve both political endeavours as well as theContinue reading “Opportunity and power; from above and below”

Writing for the OPAJ: Familiarity and proficiency

Familiarity with game mechanics and a game’s setting seems like obvious prerequisites to write an adventure. I am not saying it is not. However, it is not. Not really. It takes a brave person to write an adventure for a game and world with which they may only have passing, limited, or superficial knowledge. However,Continue reading “Writing for the OPAJ: Familiarity and proficiency”

One-page adventures, design, writing and … ideas?

So, you may be considering participating in the annual one-page adventure jam. That would require you to write. Writing is a process. Trying to figure out or structure your process could lower the threshold for taking part in the jam. There are many ways to break down a process. Process tracing itself is an interestingContinue reading “One-page adventures, design, writing and … ideas?”

One-Page Adventure template

To assist participants keep within the formal requirements, and to give hints and tips on form, structure, and content, we have made a Word template for one-page adventures. It is pretty self-explanatory and can be found on the Sheets and Reference page. Good luck and have fun writing up your one-page adventures!

How to: One-Page Adventure Jam

On 21 August there was a workshop with Green Ronin and Ian Lemke on designing encounters and short adventures. Due to the heartless betrayal of technology, the recording was incomplete. This post then, is my short summary of what I can recall from the workshop, pertaining specifically to one-page adventures.. Luckily, there will be anotherContinue reading “How to: One-Page Adventure Jam”

The 2025 One-Page Adventure Jam starts 1 September!

The one-page adventure jam of 2025 – “Echoes of the Builders” – runs from 1 September through 30 September. This year’s theme explores the consequences of human choices when dealing with Builder artefacts – whether in the name of research, power, survival, or profit. It is all about the hopes, risks, and conflicts that arise whenContinue reading “The 2025 One-Page Adventure Jam starts 1 September!”

Developing encounters: Best Practices, with Ian Lemke!

In preparation for the fifth annual one-page adventure jam The Expanse RPG Fan Community is teaming up with Green Ronin Publishing for an online session with Ian Lemke, lead developer of The Expanse Roleplaying Game. The 90-minute workshop will discuss the creative and practical process of developing and designing new encounters with an experienced developer,Continue reading “Developing encounters: Best Practices, with Ian Lemke!”