You've been causing too much trouble behind enemy lines. They're going to take you out the only way they know how. RunNGun as many as you can before destiny catches up with you.
Survive the onslaught of fifteen enemy types utilizing four contrivances, each with their own weapon compatibilities. You salvage scrap parts by destroying enemies, which are used to upgrade your contrivances, projectiles, and bunker.
It's a nightmare. You are trapped in an abandoned mine with an injured comrade at your side against God-knows-what. Make your stand, get out alive. Three words of advice: shoot to kill. These things are not human, they are monsters..