A new content pack was announced for Planet Coaster, called Ghostbusters, and it will feature one of the orginial Ghostbusters, Dan Aykroyd! The pack will cost "£12.99 (€14.99, $14.99)" and alongside the paid pack the devs will alro release a free patch "containing bug fixes and other improvements, plus the Quick Draw: a ride which allows your guests to ride and shoot targets, aiming for a spot on the leaderboard!"

Planet Coaster: Ghostbusters | Reveal Trailer

From the video's description:

Featuring an all new story-driven scenario, new gameplay mechanics, plus new rides, characters and scenery straight from the classic 1984 movie, this new Planet Coaster content pack provides everything players need to create the most authentic Ghostbusters entertainment park seen in a videogame.  Planet Coaster: Ghostbusters DLC pack also sees Dan Aykroyd voice his original role as the iconic Raymond Stantz, mentoring players throughout their campaign as they build their park and take care of the ghostly issues that besiege their rides. Joining Aykroyd, William Atherton will also voice his role as Ghostbusters antagonist Walter Peck.