About Gunfighter Gunman's Proof GameGunfighter Gunman's Proof is a round-based wild west ghost shooting game. Use your mouse to aim your shots and left click to fire. Your remaining ammo is shown in the bottom center. When you run out of ammo you have to wait temporarily for the gun to reload. Move laterally left and right by pressing the A and D keys. Jump by pressing the spacebar. You can jump onto some of the hand-drawn platforms. After each round players get can select between three different power ups to equip. When you run out of health the game ends. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.