Have you and your friends been experiencing paranormal activity? Grab your Proton Pack and join the Ghostbusters as you explore Manhattan, blasting ghosts, and trapping those runaway ghouls. Features Thrilling Multiplayer Experience: Play alongside your friends as the Ghostbusters in the 2-4 player local co-op campaign! Terrifying Ghost Trapping: Battle new and classic Ghostbusters characters, including Slimer, Gertrude Eldridge, Sparky and many more! Electrifying Weapon Choices: Dynamically swap weapons during battle with unique options for each character. Blockbuster Film Extension: An original story that takes place after the events of the movie! Ghostbusting fun for the whole family: Gamers of all ages and experience can dive right into the action.

— Activation Details —

Go to: http://store.steampowered.com/ and download STEAM client Click “Install Steam” (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don’t have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam… Follow the onscreen instructions to complete the process. After successful code verification go to the “MY GAMES” tab and start downloading.