Concept:  
“Your mind stews in total darkness 

Your ears listen to a busy bone saw 

You wake in a meat cart...” 
Content: “A quick meat-punk dungeon crawl”
Writing: A straightforward dungeon complicated by a few missing limbs and a follow-on hex crawl with the opportunity to earn a few more.
Art/design: Art and design reconstituted from constituent parts of varying styles.
Usability: Best not to take for granted the limb-itations of your scvm. 

Concept: “You should never feel the need to flip through the book while you’re killing PCs.”
Content: Mörk Borg’s core rules on a single page
Writing: Clear and concise
Art/design: The standard version puts emphasis on efficiency without sacrificing the characteristic aesthetics; available in printer-friendly and minimal versions
Usability: A model of usability

Official: English, Swedish
Reglas de Mörk Borg en Español by Unlucky Tales

Concept: “Travel across the dying world.”
Content: Mechanics for adding color and adventure to journeys
Writing: Provides solid sketches for GMs to flesh out
Art/design: Relatively restrained but with enough Mörky elements to establish visual character
Usability: The travel mechanic is simple and easy to use

Note: “Roads to Damnation” includes additional art and content, and it is only available in Feretory; “Overland Travel” is available free on the MB website.

Concept: “Your soul may be screaming, but your throat sings sweetly.”
Content: A bard befitting Mörk Borg
Writing: Provides a vain, acquisitive characterization alongside brutal imagery and standard mechanics
Art/design: Illustration features three whole colors; a bit of a chromatic departure, but atmospheric and fitting
Usability: Definitely not your grandad's minstrel

Concept: Random character generator including exclusive content
Content: Includes all character options from the rulebook as well as exclusive content
Writing: Descriptions concisely characterize additional abilities
Art/design: Clean, clear, well-delineated presentation
Usability: MBC content can be toggled on/off; includes a print option to save your scvm

Concept: “A Compiled PDF of all Scvmbirther exclusive content with rules for using it at the table!”
Content: Additional class abilities for Fanged Deserter and Wretched Royalty as well as optional results for weapons, armor, gear, Terrible Traits, Broken Bodies, and Bad Habits rolls; includes directions for incorporating content into character creation
Writing: On par with the core book’s quality
Art/design: Primarily typographical, but choices make for easy reading and use
Usability: A minimally intrusive way to add new content to character generation  

Concept: “In a hidden repository deep in the Slithering Swamp is a witch's altar of glyph-covered roots. They say it can fulfill any wish.”
Content: A serpentine sepulchre you’ll wish you never entered.
Writing: A two-for-one adventure in two modes: sedate & completely stoned.
Art/design: Mind-blowing emerald hued hallucinations, a venomously detailed map, with a sober adventure layout.
Usability: Each scvm can (try to) decide how trippy they want the adventure to be.

Concept: “Doodle to kill time” 
Content: A demon, it wants to kill time.
Writing: I wouldn’t kiss my mother with that mouth.
Art/design: Expectedly toothy. Surprisingly horny. 
Usability: Ready to silently manifest at your table. 

Concept: “D66 Items of Doom”
Content: Powerful magical items inspired by song titles
Writing: Frequently brutal, shocking, and visceral
Art/design: A labyrinth of horrors …
Usability:  … but in a good way

Concept: “A cosmic necrocrawl at the end of time”
Content: Pre-apocalyptic hexcrawl with random elements
Writing: Fairly elaborate with plenty of horrible imagery
Art/design: Captures the mood, setting, and characters well
Usability: Fun and lethal;  separate player and GM maps are quite helpful

Bonus: Generate some dialogue seeds for your rot priests at https://perchance.org/rot-priest-thoughts

Concept: “A Mörk Borg obituary dungeon”
Content: A combination poster-size comic/dungeon
Writing: Contains stat blocks, item descriptions, and a point-map of the dungeon layout
Art/design: Panels convey a narrative and illustrate the dungeon’s locations; colors and style strongly recall the Underground Comix movement; sweet art on the reverse side
Usability: Could double as a play mat if you hide the stats (or don’t care if players see them)

Concept: “Eternally he wanders the dying world, bearing a grudge that too will never die.”
Content: An undead NPC hawking curios on the road to wherever
Writing: Provides background on the character and descriptions of his wares
Art/design: Expressive in a creepily sentimental sort of way
Usability: Items are arranged by geographic location for quick navigation

Concept: “AN UNENDING TIDE OF MONSTERS AND MISCREATIONS.”
Content: A digital adaptation of the monster generator from MBC: Feretory
Writing: Pelle’s gloriously weird sensibility in full effect
Art/design: Presented clearly and cleanly without sacrificing visual character; features a rather unpleasant egg
Usability: “Now, make a million monsters.”

Concept: “27 pieces exhumed from the depths of lavish graves, themed around skeletons, bones and skulls.”
Content: “Classes, items, companions, monsters and encounters created by sacrilegious mind.”
Writing: A variety of styles, all appropriate to their content
Art/design: Worth downloading just to check out the range of art and layouts
Usability: Complexity varies by entry but consistently easy to use

Concept: “Relics of a forgotten mind-cult”
Content: More powerful than scrolls and more fragile
Writing: Esoteric titles on par with the core book’s Powers; mechanics and effects are easy to understand
Art/design: Entries are visually stylized as tablets with pink titles pop against the yellow ground; illustration reinforces the tablets’ grim power
Usability: Intended for use with the Forlorn Philosopher but could be used by other classes

Concept: “Three sides. Two dimensions. One daemon.”
Content: A just-plain-weird entity that stupefies people and animates objects (before stealing them)
Writing: Emphasizes the concept’s humor and existential absurdity and punctuates it with eternal horror
Art/design: Relatively conservative but no less strange and creepy
Usability: “This is a monster for use with MÖRK BORG”

Concept: “Freak Freaks […] have established an arcane laboratory dedicated to finding the key to true vision.”
Content: Nohr’s sheer weirdness and wit in full effect
Writing: Provides lots of options and suggestions for GMs to play with
Art/design: Creates a crazed tone that ups Mörk Borg’s bizarro aspect
Usability: Easy to navigate thanks to the map and room roster alongside detailed descriptions

*Published prior to release of the formal third-party license

Concept: “100% of the benefits are to be donated to Direct Relief.” 
Content: A porcine-deity crawl, NPCs to murder, a fallen angel hunt, more ways to break your body, d66 murder implements, a weird egg, some cool essays, and stuff for those other Kartell games.
Writing: Some great insight into how to run or design for rules light games, along with some truly Miserable examples.
Art/design: Dark, gritty, a little messy, and fun. 
Usability: You can identify the Swedish printing by (paper) weight. I’ll give you a hint, the title can be abbreviated TP. 

Concept: “Wake up, here comes the Tooth King” 
Content: Like the tooth fairy, but way worse.
Writing: A tale of teeth “exchanged” for dead pets (they still do stuff sometimes, it’s okay)
Art/design: Self-portrait of a sleep-deprived maniac grinning over a field of studded green.
Usability: As an (arguably) beneficial camp encounter for the child in us all. 

Concept: “’Descending further into delirious madness, King Fathmu IX is haunted by visions of mockery... (he) imprisons everyone who seems a threat in his underground prison. Terrified traitors, aspiring necromancers, powerful demagogues and even scum like you.’” 
Content: A warped, demented, and bloody prison crawl with two new classes, items, tools, and apocalyptic campaign aids.
Writing: A gonzo trip with some devious twists. Accessible at multiple levels of play, from dungeon crawls to a dramatic campaign.
Art/design: A grimy, yet familiar, adventure layout which deviates from expectations to emphasize its most unusual or dramatic encounters.
Usability: Strongly visual, yet highly structured and easy to navigate in play. 

Concept: “When getting better, if not using an optional class, you may instead gain a feat.”
Content: Abilities that add versatility for classless characters (and more motivation to play them)
Writing: The descriptions incentivize adoption as much as the mechanics
Art/design: More conservative graphic design than the core book but with plenty of gore and rottenness in the illustrations
Usability: Clearly and linearly laid out

Concept: “From an underground Sarkash crypt, heretics and cultists terrorized settlers.”
Content: An occult dungeon with random events and escalating enemies
Writing: You may learn some new words; use them to terrify your players
Art/design: Establishes atmosphere; concreteness provides easy navigation
Usability: Very intuitive and efficient layout

Concept: “The world of people never much agreed with you; instead you sought the company of beasts” 
Content: A delusional zoologist.
Writing: A primitive class whose connection to animals is wildly open to interpretation.
Art/design: Cave illustration just adds further to the ambiguity to the story. 
Usability: Easy to use, flexible in characterization. Cover art by Nohr is available on Twitter.