LAST UPDATED: 7th March 2026
Previously I hinted at details of a new world building/RPG design challenge for 2026 and here it is: welcome to City '26! It’s also a “megapost” in that I’ll provide links to anyone else participating who wishes to share their blog: please provide details below or give me a shout on Reddit, discord or Instagram.
The participants:
- A 1920s Midwestern City: New Babylon with a beautiful map
https://crimewave.blot.im/tagged/city-26 - Seed of Worlds produces Hive RT-87 a homage to Rogue Trader '87 Hiveworlds: Necromunda before it was Necromunda!
https://seedofworlds.blogspot.com/search/label/city26 - Wenya Lagoon by Nova @Idle Cartulary: "Hot, wet, sweat-drenched, salty, long-legged birds, crabs, fish, mosquitos, octopus, sharks, coral, sailing ships, blue waters, mangroves, anchors, shipwrecks, tidal pools..."
https://idlecartulary.com/2026/01/03/preparing-for-city-26-week-0/ - Bogblins is doing something.... more to be revealed!
https://bogblins.blogspot.com/2026/01/year-in-review-city26.html - Christopher Kurts introduces Rainbow City "a post-scarcity, anarcho-mutualist, megacity gift society " over on Playtest Dummies:
https://playtestdummies.substack.com/p/skyfield-a-rainbow-city-neighborhood - The Novel Gamemaster presents Myth's Landing a hub of adventure a dozen miles from the entrance to Mythbarrow, the fabled megadungeon
https://www.thenovelgamemaster.com/2026/01/myths-landing-city-26-project.html - Clé/Clay is fleshing out the city of Lüm: a major academic centre in their existing fantasy world, Curcalen
https://www.wongery.com/blog/City26/ - Iwar of The Birch and Wolf is sharing their city at this link:
https://thebirchandwolf.blogspot.com/2026/02/wogatispurk-city-26.html - Eli is hosting their city-building effort on Google Docs:
https://docs.google.com/document/d/1PYOwEVRlfm9ItiTW3vlNOqaE4YMOms9M4CnPWqrMEMY/edit?usp=sharing - Mkukier presents their city, Lionnis, at their blog:
https://mahnedan.blogspot.com/2026/02/lionnis-1-wstep-lionnis-1-introduction.html
So What is It?
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| Infographic of City26 Challenge by Peter Lattimore, text below |


