Ghostbusters-codex
Unlike the critically acclaimed 2009 title, this was a top-down, four-player cooperative twin-stick shooter that coincided with the 2016 film's release. 3. Historical Context of the Franchise
If you are looking for information regarding the "Codex" as an in-universe concept or the technical aspects of that specific software release, 1. The In-Universe "Codex" (Gozerian Codex) ghostbusters-codex
The most famous "codex" of the franchise, used by the team to identify ghosts, spirits, and deities. Unlike the critically acclaimed 2009 title, this was