Jacob Marks
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jacobmarks.bsky.social
Jacob Marks
@jacobmarks.bsky.social
I make rpgs, programs, 3d art, and other weird things...

My largest projects are the Vaarn Atlas, Exalted Order Of The Mystic Moose, and Penumbral Oasis.

Find those, and my other games at: https://siofragames.itch.io/

Blog at: https://jacobmarkshasablog
Reposted by Jacob Marks
Off the Air | VR episode is out on youtube!

This is “Asclepius“, my short contribution to an amazing episode
December 30, 2025 at 3:45 PM
Reposted by Jacob Marks
Hope Jam starts this Friday!
lemonpoppyseed.games/hope-jam

I will be discussing how to build hope and answering your questions with FletchMakes that day at 9 AM Eastern! Link below:
twitch.tv/fletchmakes
HOPE JAM
A hope-building event lasting from Jan 2-Jan 19!
lemonpoppyseed.games
December 30, 2025 at 2:40 PM
Morning repost. If I have time I might try to make another onegeon.
Finished my #OnegeonJam submission! A small hallway with a sort of trap, or tool. A bit of magic too. Spent most of my time working on wording and bullet point hierarchy.

#rpg #osr #dungeon

siofragames.itch.io/gunpowder-ma...
Gunpowder Maple Onegeon by Jacob Marks
A single OSR dungeon room with exploding maple leaves
siofragames.itch.io
December 30, 2025 at 2:13 PM
Reposted by Jacob Marks
Catch ideas LIKE FISH! @hauntedps1.bsky.social
#DavidLynch inspired #GameJam starts January fifth!
December 25, 2025 at 2:42 PM
Finished my #OnegeonJam submission! A small hallway with a sort of trap, or tool. A bit of magic too. Spent most of my time working on wording and bullet point hierarchy.

#rpg #osr #dungeon

siofragames.itch.io/gunpowder-ma...
Gunpowder Maple Onegeon by Jacob Marks
A single OSR dungeon room with exploding maple leaves
siofragames.itch.io
December 29, 2025 at 7:21 PM
Reposted by Jacob Marks
Two days left for #OnegeonJam!

Still time to get your kickass dungeon room in there.

Gonna have to do a big round up of what everyone has submitted after it wraps up. Lots of good stuff in there so far.

#TTRPG #OSR

itch.io/jam/onegeon-...
Onegeon Jam
A game jam from 2025-09-01 to 2025-12-31 hosted by Cats Have No Lord. This is a jam for making single dungeon rooms (Onegeons) that are modular and can be used in any dungeon someone is writing or run...
itch.io
December 28, 2025 at 8:49 AM
Sucks when you realize something you posted on itch only has one review and it's 2/5 😞

Leave reviews on things you've enjoyed.
December 29, 2025 at 12:23 AM
Reposted by Jacob Marks
done! (mostly, will probably do some minor edits and weathering when I get back to my laptop haha) #sinners
December 28, 2025 at 7:26 PM
Reposted by Jacob Marks
what's up gamers, I'm back with another blogpost about editing. this one's about development editing rather than line and copy editing, though, so the tips are all a little more vague and philosophical. hope you enjoy anyways: samsorensen.blot.im/ten-intangib...
December 28, 2025 at 3:47 PM
Reposted by Jacob Marks
I made a small Troika character generator for use in my open table game, and updated my name generator. Saves a lot of time: www.dsell.me/troika-chara...
Troika Character Generator - Daniel Sell
www.dsell.me
December 28, 2025 at 1:04 AM
Some post Christmas reading. #Hellebore
December 27, 2025 at 5:20 AM
Reposted by Jacob Marks
This was a long time coming: Advice for Running a Hexcrawl, a Decade Too Late.
Save vs. Total Party Kill - Advice for Running a Hexcrawl, A Decade Too Late
Masters of Carcosa is the longest campaign I have run. My friends and I played 23 sessions, starting at the end of 2014, ending near the start of 2016. The game began after Brendan took a break from r...
save.vs.totalpartykill.ca
December 26, 2025 at 6:17 PM
Reposted by Jacob Marks
[as I behold the great Cosmic Shark swimming at the center of creation] they should have sent a bigger poet
December 26, 2025 at 5:30 PM
Reposted by Jacob Marks
From the Artists I Like series: Evlyn Moreau. A true original and icon of the #TTRPG space and a wonderful artist.

doomslakers.blogspot.com/2024/03/arti...
December 24, 2025 at 2:16 PM
Reposted by Jacob Marks
Steam sale is on and Replicube is under $8 USD on Steam right now! store.steampowered.com/app/3401490/...
December 23, 2025 at 6:54 PM
Reposted by Jacob Marks
bite seed
December 23, 2025 at 5:46 PM
I'm cataloguing my favorite butts in rpgs. I think Sean McCoy's Mothership space butt is pretty high up there.
December 23, 2025 at 3:35 PM
Reposted by Jacob Marks
One of the most gorgeous games I've come across in awhile is Vaults of Vaarn. I love these kind of settings born out of a creators' passion for an imagined place. Ultimately, they're some of my favorite things about roleplaying games.

vaults-of-vaarn-second-edition.backerkit.com/hosted_preor...
Pre-order Vaults of Vaarn Second Edition on BackerKit
The second edition of Vaults of Vaarn, the acclaimed science-fantasy adventure game.
vaults-of-vaarn-second-edition.backerkit.com
December 22, 2025 at 4:56 PM
Reposted by Jacob Marks
December 22, 2025 at 2:22 PM
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✨🌟Fuck AI🌟✨
December 22, 2025 at 1:35 AM
Reposted by Jacob Marks
My friend Habeeb made a blogpost a few days ago titled "the default dungeon is colonial", which prompted me to finally finish this blogpost.

"Anti-colonial Dungeon"

I guess I should finish my Anti-colonial OSR Tabletop RPG adventure/setting/game.

afraidofencounters.bearblog.dev/anticolonial...
December 21, 2025 at 1:17 PM
Reposted by Jacob Marks
How blissful it is to come from a culture (or class, or gender, etc) used to pointing the bayonet, and never know what it is to have the bayonets pointed at them.

But also utterly boring.

My biggest annoyance with "don't humanise monsters" is that it always, no exceptions, makes blander stories.
The team behind Obojima not only don’t care about Ghibli outside of the aesthetic, they also fully do not understand it. They’re either complete buffoons or actively bad people and the truth likely lies in the middle.

www.tiktok.com/t/ZTrt9XWWk/
What can you lose by humanizing monsters? #obojima #studioghibli #ghibli #1985games #ttrpg #dnd #dnd5e #podcast
TikTok video by Obojima
www.tiktok.com
December 20, 2025 at 2:13 AM
Reposted by Jacob Marks
Another party of nosey folks (2 of 3).
December 17, 2025 at 2:55 PM
Reposted by Jacob Marks
New blog post (and email newsletter): azhdarchid.com/designing-fo...
Thematic expression in game design, or: Why Dune (1992) rules
Games like Dune (1992) and Pirates (1987) are hardly ever made any more. What sets them apart?
azhdarchid.com
December 15, 2025 at 9:29 PM
Reposted by Jacob Marks
recent drawings
December 15, 2025 at 10:18 PM