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
Normally I do itch.io covers for video games using art from the game. For Last Voyage of the Tartarus I think I'm going to use collage instead.

#PROCJAM 2025 #Collage #Gamedev
November 25, 2025 at 6:51 PM
Encroaching upon a cyclopean city.

#PROCJAM 2025 #gamedev #pixelart
November 24, 2025 at 3:12 PM
Working on UI and decorations.

#PROCJAM 2025 #Gamedev #Pixelart
November 24, 2025 at 1:22 AM
Giant corals and green cyclopean structures amongst the polar ice in my #PROCJAM 2025 project.

#gamedev #Unity #pixelart
November 23, 2025 at 10:08 PM
Giant crab pixel art for my #PROCJAM 2025 project.

Tentatively called Last Voyage of the Tartarus.

#PixelArt #GameDev
November 23, 2025 at 4:37 PM
Working on a #PROCJAM 2025 entry. Reusing a bunch of my Archipelago of Monsters code to create a polar expedition game. Gonna get weird with it and take a lot of inspiration from The Iron Coral from Into the Odd.
November 23, 2025 at 6:29 AM
This is giving me chills and I'm only 11 pages in!
November 16, 2025 at 5:05 AM
Working on Pthalo Jackal behavior and a new reload animation for my Vaults of #Vaarn #PSX game.

#HauntedPSX #PS1 #Unity
November 15, 2025 at 5:04 PM
Normal dog behavior.
November 14, 2025 at 9:45 PM
Dog.
November 14, 2025 at 3:50 PM
Progress on my Vaults of #Vaarn game using the #HauntedPSX render pipeline. #Unity #Blender #PSX #PS1
November 13, 2025 at 6:00 AM
Maybe going to make a Vaults of #Vaarn #PS1 style game?
November 11, 2025 at 6:58 PM
My game is going to have more accurate bronze age armor than Christopher Nolan's Odyssey movie.
October 29, 2025 at 8:22 PM
Working on a game idea. #gamedev #unity #blender
October 28, 2025 at 2:18 AM
I have just discovered Balatro and it has ruined my life.
October 22, 2025 at 5:16 AM
Here's another shot.
October 11, 2025 at 1:42 AM
I'm looking back at the UFO game I was working on and thinking maybe I should try returning to it.

#gamedev
October 11, 2025 at 1:40 AM
I added a perchance generator to my Vaarn jam submission. Should make it easier to roll.

siofragames.itch.io/travel-event...
September 30, 2025 at 2:47 PM
Would some Santa Fe critters work? Been seeing a lot of interesting things in my yard.
September 19, 2025 at 5:18 PM
Now that I'm thinking about it in the DCC Day 2021 Adventure Pack the adventure Temple Siege is essentially a 1 room adventure.
August 23, 2025 at 9:09 PM
Vaults of Vaarn?
August 18, 2025 at 3:53 PM
Updated my zine shelf. #rpg #osr
Sad you can't really see what the zines are, but not a lot of options there.
August 15, 2025 at 8:30 PM
Go back this! I made some fun little promotional art for the page 😄
July 29, 2025 at 8:10 PM
Looks like Noble Knight Games is using AI for promotional art 😑
July 26, 2025 at 10:22 PM
Makin a crab map. #ito #intotheodd #bastion #collage
July 19, 2025 at 4:56 AM