One-Page Games
Be the Media: A roleplaying game about documentary filmmakers trying to right wrongs in their communities. The main file is three pages. The first page is a character sheet and all the rules on one page. It’s all you need. There’s also a GM reference sheet with rules and space to write notes instead of a character sheet, and a final page with credits, story seeds, and links to additional references. There’s also a character keeper for online play.
Horror Scenarios
Logomancy: A system-neutral scenario for horror games like Call of Cthulhu, Delta Green, or Cthulhu Dark about a roleplaying game that drives people mad. Includes a game within a game.
Apocalypse World stuff
- Pyre Party
- World of Maelstrom: A small game that attempts to be for Apocalypse World what World of Dungeons is for Dungeon World.
Old School Gaming
- Brauntstein RPG Resources A collection of links and resources for Braunstein, predecessor to D&D and possibly the first modern roleplaying game.
- First Dungeon Crawl
- Low Hack Low fantasy classes for the Black Hack 1E.
- Rules to the Game of Dungeon actual play report
- Weirdie Workbook for Rules to the Game of Dungeon.
Misc
Mission Driven a game about the strangeness of modern living.
Destiny City a fiction city/collection of resources you can use in any modern RPG setting, including urban fantasy, superheroes, horror, or crime campaigns.