Ghostbusters: Sanctum of Slime has hit the digital shelves. The 4 player on- or offline co-op title has a brand new cast, but the same awesome proton packs. A new launch trailer is out, which showcases the game's features. Looks like some truly impressive bosses will be making an appearance. Ghostbusters: Sanctum of Slime is available now for the Xbox Live Arcade, PlayStation Network, and PC. Stay tuned to Co-Optimus for our Co-Op review.