When Special Operative John Raimi has his soul ripped from his earthly flesh and spit out in the form of a ghost, there is only one reasonable course of action: scare the dickens out of the people who did it to him. The term Spec Ops still applies, only now it stands for Spectral Operative. Now it is up to you to lead Raimi's ethereal remains on a haunt to find his body and stop the evil Volks Corporation.

There are so many things to find and puzzles to solve that it could make Casper turn into Beetlejuice with frustration. IGN has you covered and we don't just mean with a sheet. Hosts? We've possessed them all. Collectibles? We've found every one of them. Tricky puzzles got you down? Cheer up and read our walkthrough. Have no fear, you've found the most complete Geist guide available.

Look inside for:

• Basics: You've never been a ghost before. Learn how here.
• Hosts: The locations of every living being and a list of objects that you can possess.
• Collectibles: Every last host and ghost collectible has been located for you.
• Walkthrough: Where to go, what to do, and tips on how to beat the bosses.
• Multiplayer: We'll explain the game modes and give you winning strategy.
• Secrets: How to unlock multiplayer goodies and find some easter eggs.

Insert snazzy ghost comment here. Guide Possessed by: Erik Brudvig

On to Basics...