| Kicking It_ Successful Crowdfunding | Lone Shark Games | pdf | |
| King for a Day, Revised Edition | Gallant Knight Games | pdf | |
| Kirk Lindo's LUXURA UNIVERSE V3: RESCUEMAN | Vamperotica Entertainment | pdf | |
| Knowledge Check: 9 Funerary Rites | Fat Goblin Games | pdf | |
| Knowledge Check: Codes & Cyphers | Fat Goblin Games | pdf | |
| Knowledge Check: Last Rites | Fat Goblin Games | pdf | |
| Knowledge Check: Thieves' Cant Dictionary | Fat Goblin Games | pdf | |
| Kobold Guide to Combat | | pdf | |
| Kobold Guide to Dungeons | | pdf | |
| KOBOLD Guide to Gamemastering | Kobold Press | pdf | |
| Kobold Guide to Magic | | pdf | |
| Kobold Guide to Monsters | | pdf | |
| Kobold Guide to Plots and Campaigns | | pdf | |
| Kobold Guide to Roleplaying | | pdf | |
| Kobold Guide to Worldbuilding | | pdf | |
| Kobold Guide to Worldbuilding Volume 2 | | pdf | |
| The 'King in Yellow' Tarot Deck | Arc Dream Publishing | pdf | |
| The King in Yellow: Annotated Edition (PDF) | Arc Dream Publishing | pdf | |
| The King is Dead | Mongoose Publishing | epubpdf | |
| The King Is Dead | lumpley games | pdf | |
| The King's Road_ An Epic Campaign for Fantasy Tabletop Role-Playing Games | Dicegeeks | pdf | |