Concept: “Face off against interdimensional horrors, a drug-fueled cult and their terrifying god, and the unrelenting predation of the Mutant Centipede Thing!” 
Content: Three new ways to die... in a hole.
Writing: A sculptor's nightmare world of rock, lead, slag, bronze, drugs, and intelligent sinusoidal waves. Grounded and moving surrealism.
Art/design: Dark, textured, and occasionally effervescent images of spectral manifestations.
Usability: Deep vertical shafts with helpful mini-maps add utility and visual suspense.  

Concept: “beautiful woman but her head is a hideously huge swollen staring eye, wearing only a spiked armor”
Content: "More than anything, it wants to: Mate, birthing a wondrous new horror.
Writing: The Monster Approacheth meets “hold my beer”
Art/design: Unfunctional fashion. Functional design.
Usability: Scarily effective. 

Concept: “Close your eyes and don’t open them until all is quiet” 
Content: Grift's faceless.
Writing: Doesn't tell you what will happen if you open them.
Art/design: A very uncomfortable staring contest.
Usability: Don’t sleep in Eastern Grift.

Concept: “In honor of our seventh episode of Flail to the Face, we give you d20 Random Things Behind Closed Doors” 
Content: D20 reasons to just close the door and pretend it never happened.
Writing: Absurd scenarios delivered with believably serious specificity.
Art/design: Text that frames some serious mahogany, with stained glass that lets in no light.
Usability: As a reward for the over-enthusiastic door checker. 

Concept: “Enter as three and be free”
Content: A Norse myth puzzle crawl.
Writing: Encounters that heavily reference mythological events and figures.
Art/design: A map and protective ward.
Usability: More likely to confound the enemies of the Æsir.

Concept: “Greed, gore, romance? None of that matters as long as you can get to the hidden vault” 
Content: A lovingly macabre manor crawl.
Writing: A tragic love story (of sorts), reenacting its terrible pursuit this night for your voyeuristic pleasure.
Art/design: Full of coarse texture and bright color, a feast for the eyes, with a surprising emphasis on the eyes.
Usability: I'm not joking about the eyes. I may have exaggerated the voyeuristic pleasure. 

Concept: “23 new eyeballs. You know, in case you lose one and need a replacement.”
Content: Ocular alternatives with a wide array of special features
Writing: Short and concise descriptions with grim character
Art/design: Original illustrations of each eyeball in easy-to-use layouts and stylish designs
Usability: A clever, thematic alternative to generic rings, amulets, etc.

Concept: “They're mysterious, creepy, and a little gross” 
Content: 20 relics to leave a sour taste in your mouth.
Writing: Risky drawbacks and potent benefits enhance the questionable nature of these artifacts.
Art/design: Generated illustrations in a lithographic print style presented with bright solid colors.
Usability: Bordered text over illustrations may hinder legibility. 

Concept: “You can’t remember when you last slept. In times of stillness your incessant thoughts are akin to torture. The only escape is to keep moving... Your blistered feet walk paths the living have long forgotten.” 
Content: I feel seen.
Writing: Witty. Ruminating. Wretched. Ranged. Wordy.
Art/design: A “class”-ic format. Overanalyzed by the hooded figure depicted here.
Usability: A flavorful and utilitarian addition. 

Concept: “The mages glance to a paradise that was never made for the mortals of this world, so they have to adapt for it.”
Content: Lore and stats for eye mages and the bizarre wares they peddle
Writing: Overtones of alien and body horror
Art/design: Tons of twisted eyeball-based and beholder-inspired artwork
Usability: For PCs, potentially beneficial friends and potentially dangerous enemies

Concept: “Grave robber, beware! They feast on fresh human bones that they suck out of their live victims.”
Content: A Tenome (Tergol?) and its lair.
Writing: Simple, but with visual texture. (Specifically, eye texture)
Art/design: A restrained psychedelic palette. Befitting an oracular creature with visions of the past and the future in the palms of its hands.
Usability: An outline of a scenario, with some details left to fill.