The first free update for Ghostbusters: Spirits Unleashed adds the MOROS Medical Facility map, the Glutton ghost type with 3 new ghosts, 2 new gadgets, the P.K.E. Meter: Ecto-Zapper attachment and the Ghost Swapping option that allows ghosts to change ghost type mid-match.

Alongside the general rebalancing and bug fixes it also adds a set of new customization options with Gear Shells to keep a visual look when using compatible gear, Morph Targets to change a character's face, new suit patches and cork board display in the Firehouse for them.