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mobiusdrip.bsky.social
Inverted Castle
@mobiusdrip.bsky.social
89 followers 340 following 36 posts
Exploring the Astral City. I make old-school RPG adventures. Sharing illustrations, maps, and writing as I go. substack.com/@swamphead https://www.drivethrurpg.com/en/publisher/30561/inverted-castle-press
www.drivethrurpg.com
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mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Aug 13
Wrote about the new adventure I published. Brave the halls of Silver Shroud Monastery, where a terrible madness has taken root.

#OSR #ttrpg #RPG #oldschooldnd #ose

open.substack.com/pub/swamphea...
Manic at the Monastery!
A madness-filled OSR adventure
open.substack.com
2 3
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 3d
Stoked to have my second adventure get a review on Idle Cartulary. Thanks Nova!
idlecartulary.itch.io
Idle Cartulary @idlecartulary.itch.io · 3d
This week in the bathtub it’s Manic in the Monastery! Is this module all highs or all lows? Find out! idlecartulary.com/2025/10/06/b... #osr
Bathtub Review: Manic at the Monastery
Bathtub Reviews are an excuse for me to read modules a little more closely. I’m doing them to critique a wide range of modules from the perspective of my own table and to learn for my own module de…
idlecartulary.com
2 6
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 3d
Stoked to have my second adventure get a review on Idle Cartulary. Thanks Nova!
idlecartulary.itch.io
Idle Cartulary @idlecartulary.itch.io · 3d
This week in the bathtub it’s Manic in the Monastery! Is this module all highs or all lows? Find out! idlecartulary.com/2025/10/06/b... #osr
Bathtub Review: Manic at the Monastery
Bathtub Reviews are an excuse for me to read modules a little more closely. I’m doing them to critique a wide range of modules from the perspective of my own table and to learn for my own module de…
idlecartulary.com
2 6
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 14d
5 quivers
1
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Aug 13
Wrote about the new adventure I published. Brave the halls of Silver Shroud Monastery, where a terrible madness has taken root.

#OSR #ttrpg #RPG #oldschooldnd #ose

open.substack.com/pub/swamphea...
Manic at the Monastery!
A madness-filled OSR adventure
open.substack.com
2 3
Reposted by Inverted Castle
3d6downtheline.com
3d6 Down the Line @3d6downtheline.com · 16d
3d6 DTL Ep 06 of #Mothership Gradient Descent! The legendary Artifact Comprehension Labs are discovered, but someone has beaten the crew to the punch. Later, encounters with strange entities in HEL's unnerving and vast simulation suites cause Sharpe to pull out the big guns.
#OSR #TTRPG
Links below!
2 7 23
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Aug 30
Some rumor and random encounter tables from my adventure Manic at the Monastery. Even got a random table for hallucinations adventures might suffer as they explore #ttrpg #osr #ose #dnd
1 3
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
Methods & Madness reviewed my adventure Manic at the Monastery - say that 5 times fast! Check it out if your interested

methodsetmadness.blogspot.com/2025/09/mani... #osr #ttrpg
Manic at the Monastery (OSE adventure review)
Disclosure: The author has contacted me to offer a review copy. From the blurb: Manic at the Monastery is an old-school adventure for chara...
methodsetmadness.blogspot.com
1 1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 17d
Over 40h into silksong and still finding secret areas this game rules
1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 19d
you could fit so many gargoyles in there
1 1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 27d
Silksong is really Team Cherry's bloodborne
1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 27d
Oo I'm very excited for that one
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · 27d
Nice! Whats your favourite so far?
1 1
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 8
I wrote about a new OSR zine I've been working on with crafting material for desert sandbox campaigns. This one has three new classes: the alchemist, the nomad, and the shaman. Check it out!

#OSR #ttrpg
open.substack.com/pub/swamphea...
Putting the Sand in the Sandbox
A desert setting zine for old-school RPGs
open.substack.com
1 2 10
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 8
LOVING silksong so far. More games should be a little evil
3
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 8
Forgot to mention the best part, its free!
www.drivethrurpg.com/en/product/5...
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 8
I wrote about a new OSR zine I've been working on with crafting material for desert sandbox campaigns. This one has three new classes: the alchemist, the nomad, and the shaman. Check it out!

#OSR #ttrpg
open.substack.com/pub/swamphea...
Putting the Sand in the Sandbox
A desert setting zine for old-school RPGs
open.substack.com
1 2 10
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 7
substack.com/@swamphead/n...
Will (@swamphead)
Some quick lair maps for our Dolmenwood campaign. Ignore the messy handwriting 😁
substack.com
1
Reposted by Inverted Castle
lukegearing.bsky.social
Luke Gearing @lukegearing.bsky.social · Sep 2
[smokes drugweed] imagine if long sword did 2d6 damag e
9 14 68
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 3
They honestly fit what I was looking for perfectly 🙏
1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
Methods & Madness reviewed my adventure Manic at the Monastery - say that 5 times fast! Check it out if your interested

methodsetmadness.blogspot.com/2025/09/mani... #osr #ttrpg
Manic at the Monastery (OSE adventure review)
Disclosure: The author has contacted me to offer a review copy. From the blurb: Manic at the Monastery is an old-school adventure for chara...
methodsetmadness.blogspot.com
1 1
Reposted by Inverted Castle
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
Some sweet art by @chaoclypse.bsky.social that made it into my adventure module Manic at the Monastery

#ttrpg #osr #illustration
2 1 3
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
Happy to see fragments of the floating city in the queue😊
1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
From their awesome art pack chaoclypse.itch.io/chaos-art-pa...
Chao's Art Pack: Pay What You Want! (200+ Drawings) by Chaoclypse
Art to use in your TTRPG projects! Pay what you want!
chaoclypse.itch.io
1
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Sep 2
Some sweet art by @chaoclypse.bsky.social that made it into my adventure module Manic at the Monastery

#ttrpg #osr #illustration
2 1 3
mobiusdrip.bsky.social
Inverted Castle @mobiusdrip.bsky.social · Aug 30
Some rumor and random encounter tables from my adventure Manic at the Monastery. Even got a random table for hallucinations adventures might suffer as they explore #ttrpg #osr #ose #dnd
1 3