Concept: “A collection of tables, monsters, items, classes, rules and ideas”
Content: Includes a random monster generator, rules for distance travel and subsistence, The Death Ziggurat and Goblin Grinder adventures, rosters of mundane and profane gear, the Grey Galth Inn setting, a gambling minigame, the Black Salt environmental hazard, new character classes (Cursed Skinwalker, Pale One, Dead God’s Prophet, Forlorn Philosopher), and new Powers
Writing: Mörk Borg imagery and tone in wide a variety of styles
Art/design: Matches content to myriad layout and design strategies
Usability: The mechanical and expository elegance you expect from Mörk Borg; the monster generator particularly uses dice in a clever way 

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: “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