Brain Crunch
By tabletopastronomer | Oct. 24, 2025, 12:34 p.m.
**I recently set myself the challenge to make a Väsen mystery from scratch to publication in a singl
About The Tabletop Astronomer
Hello and Welcome!
My name is Axel Runnholm, I was an astrophysics researcher at Stockholm University from 2017 to 2025 and have been an avid TTRPG player and GM for ~8 years. While I no longer actively do research I now reach for the stars by spinning tales of wonder for our imaginations. Or so my copywriter friend says at least :D
I also want to note that no AI was used in any of the things presented here.
Recent Blog Posts
Väsen GM tips: Adding some swedishness
By tabletopastronomer | April 30, 2025, 7:35 a.m.
I recently had an interesting conversation on social media where someone was preparing to run their
Väsen GM tips: Help My Players Took a Left Turn at Albuquerque
By tabletopastronomer | April 16, 2025, 3:03 p.m.
We’ve all been there. The session is carefully laid out. The encounters planned and the NPC names li
Publishing an adventure
By tabletopastronomer | April 11, 2025, 11:35 a.m.
Aka The importance of Friends
As a solo developer, aka just a game master, going from running
Publications
Shadows over Hallowed Ruins
Even the smallest village can have the deepest roots and hold the darkest evils. As All Hallows Day approaches, the light fades and spirits roam. Can you work out what is happening before terror descends on this seemingly peaceful community ?
Shadows over Hallowed ruins is a mystery for the Vaesen Game system that is designed to be run in one session of 3-4 hours and leads the Society to discover both tragedy and evil. It includes two hand-drawn maps and one text handout.
The Mists Of Stegeborg
The tiny village of Stegeborg near Söderköping, Sweden is a powder keg waiting for a spark
Enter The Society. Sent to investigate the mysterious disappearance of a young woman decades ago. They arrive to see history repeating itself once more as another girl goes missing. Are the two cases intertwined? Whatever you think is responsible. Whatever you think you are prepared to find. You couldn't be more wrong Powder keg? Here's your match.
Ongoing Projects & WIPs
Starburst
The Starburst roleplaying system is a sci-fi TTRPG game system designed to be simple to pick up and play as well as simple to run. The system is ideal for short and medium length far future sci-fi campaigns.