M. Allen Hall
M. Allen Hall is a writer of TTRPG content of all kinds.
Upcoming Projects
The Green Ooze King for Cairn and OSE
The Green Ooze King will be releasing directly to www.mallenhall.com in August, 2026. To celebrate the launch, orders that include The Green Ooze King will also receive 30% off everything else in the shop! Head on over to the link above to sign up to be notified when the book is released.
Three-part campaign for Liminal Horror
A Dungeon Building Game
All-ages TTRPG
Triangle Agency Crossover with Sprinkles is Missing!
Solo Roleplaying Games
Tarot-driven solo-journaling game.
Pen-and-paper adventure game.
Gladiator Mechs vs Monsters
1- or 2-player, GM-less, hexcrawling TTRPG.
A solo-journaling horror TTRPG
A Solo-Journaling Game based on the Wretched and Alone SRD
a solo RPG and NPC generation activity
Mausritter
Fight to free your home in this campaign for Mausritter!
A heist for Mausritter
Liminal Horror
Modern horror TTRPG adventure collection.
Pamphlet adventure for Liminal Horror
An adventure for Liminal Horror.
A modern horror TTRPG module.
MÖRK BORG
Dungeons and modules written to be played with the grimdark TTRPG MÖRK BORG.
A funnel for MÖRK BORG
A system-neutral TTRPG dungeon.
A tower-climbing adventure compatible with MÖRK BORG
A system-neutral TTRPG module about facing your inner demons.
One Page Dungeon with versions for 5E, MorkBorg, and a dungeon game
CY_BORG
Modules written to be played with the cyberpunk TTRPG CY_BORG.
A pamphlet mission for CY_BORG.
A pamphlet-sized encounter for CY_BORG for the URBN_LGND.exe jam. #urban_lgnd
The Lost Bay
Solo Postmortem Adventure for The Lost Bay RPG
A cursed forest crawl
Pamphlet location for The Lost Bay RPG
A module for The Lost Bay RPG
A mystery for The Lost Bay RPG.
Solo Dungeon Game for The Lost Bay RPG
Game Jam Entries
These games were created specifically for Itch.io Game Jams.
A book/dungeon crawl
A spaceship for #getyourshiptogether
A low-level dungeon for OSE or B/X D&D.
An Operation for Dirtbags!
A ruin and wasteland for ECO MOFOS!!
Gladiator Mechs vs Monsters
A Pirate Borg adventure.
Solo Rules for Pirate Borg
A solo, D66-rolling hex crawl
A gonzo one-page dungeon.
An adventure for Fallen RPG.
An in-game artifact for The Lost Bay RPG
A print & play, bookmark-sized, solo RPG.
A system-neutral TTRPG supplement of magic mushrooms.
Duet TTRPG of Shakespearean Romance.
a solo RPG and NPC generation activity
A collection of MOSAIC Strict TTRPG fragments
TTRPG Tools
A template for writing TTRPG adventures.
Artboard Template for Affinity Designer
