Jump into the frenzied action and the whacky humor of a pure 2.5D side-scroller!While they were going to their old high school for what was supposed to be the party of their life, four long-time friends end up in a ghost town full of monstrous creatures.Alone or in cooperative mode (4 players online and 2 in local play), survive hordes of monsters ready to skin you alive and achieve unique and varied objectives throughout huge and non-linear levels. Choose your character, knock out high-scores and thoroughly explore each stage to gain experience and reach higher levels. Find new weapons, improve your skills, unlock new special moves and devastating powers… and achieve increasingly impressive combos to outdo your friends' high-scores.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.