Call of Cthulhu, the official video game adaptation of Chaosiums emblematic pen & paper RPG developed by Cyanide Studios, is a RPG-Investigation title, packed with psychological horror and stealth mechanics. The Cthulhu Mythos has grown to become one of the largest shared universes ever envisioned, giving birth to countless stories, novels, and even movies ever since the original publication of Lovecrafts The Call of Cthulhu.