You can also wall jump to help you get up on a platform that is too high. You have a gun in your hand to shoot the zombies with and you can also throw grenades to clear out a lot of zombies if necessary. In each stage, there may be civilians and portable media to collect, you must collect the portable media and free the civilians to move onto the next stage. You must free the civilians and free the zombies! In this platformer game, you have to go forward and shoot any zombies on your way, and to free any civilians you may pass.
On your way, you find a dead zombie with coordinates on it.