Dungeons and Dagon is a free RPG of adventure in the world of the Cthulhu Mythos.
Role Playing Games
Dragonraid Christian RPG
Dragonraid is an RPG that was created in the 1980s as a “Christian” alternative to Dungeons and Dragons. According to this article on Uproxx, it encourages a refreshingly different style of RPG play.
New Crobuzon RPG Setting
I’m a big fan of the work of China Mieville. His stories are highly imaginative, and like nothing I have ever read before. Here’s an attempt by one fan to create an RPG background based on his New Crobuzon setting.
Third Doctor Sourcebook
A fan of the Doctor Who universe has put together a sourcebook of material for the Third Doctor’s extracanonical adventures from novels, audios, comics and the like. The book is designed to go with the Dr. Who role playing game. It looks very professionally done.
Chivalry and Sorcery 4th Edition – Free
The fourth edition of the venerable Chivalry and Sorcery RPG is available for free at RPG Now.