Take your trusty laser rifle and strap into the boots of Björn the Bunkercrawler. Find your way deeper and deeper into the old bunker complex of Wuhnsgrad. Until you can go no more.
Shoot your way through hordes of rouge robots. See them fall like dominos!
Collect upgrades for your weapon. Quadruple the damage. Increase your rate of fire. Hell. Change the mode of your weapon entirely. Get that speedy quad damage shotgun and wreak havoc amongst the enemies!