Into the Darkness

144 Burning Stars, Version 3, Episode 4 - Call of Cthulhu RPG

Revelations

311 A Short Rest at the Sidewinder Saloon, version 1, episode 2 - Call of Cthulhu: Down Darker Trails

311 A Short Rest at the Sidewinder Saloon, version 1, episode 1 - Call of Cthulhu: Down Darker Trails

307 WWC: Captive Audience, version 1, episode 1

This is part of a campaign.
If you haven't listened to WWC: Midnight Sun, you should start there. 

310 I'm Nobody, Who are You? version 1 - Mothership

175 Hand of Glory, version 7 - Call of Cthulhu RPG

120 Saturnine Chalice, version 10 - Call of Cthulhu RPG

306 Dead Letter, version 1, episode 4 - Delta Green RPG

306 Dead Letter, version 1, episode 3 - Delta Green RPG

308 A God's Dream, version 1, episode 4 - Call of Cthulhu RPG