Reddit mentions of Infestation 2: The Complete Series

Unspeakable Vault - Absurd comedy

The Laundry Files - Sysadmins make great magical civil service spies

C'Thulhu Saves the World - Exactly what it says on the cover.

Nyaruko-San, Another Crawling Chaos - This is what you get when you combine Lovecraft with Japan. Also, this is basically a Lovecraftian sitcom.

Sandy Petersen's CThulhu Mythos for Pathfinder - Exactly what it says on the cover.

In Strange Aeons: Lovecraftian Numenera - Lovecraft supplement for Numenera, also compatible with The Strange the Cypher System for genre independence

Puella Magi Madoka Magica - I promise, it's a cute Magical Girl show and nothing bad ever happens.

Munchkin Cthulhu - The least C'Thulhu-y C'Thulhu game of them all.

Infestation 2 - 30 Days of Night, Dungeons & Dragons, G.I. Joe, Teenage Mutant Ninja Turtles, and Transformers all punch out C'Thulhu

I could go on, but I won't because I'm tired and lazy.

Edit: Okay fine.
Stupid and Insane Defenders Against Chaos - You're on your own here.