First Piece

First Piece is a mission in the tunnel near Dead Oak Forest in Oregon.

There you will fight three waves of Nightwalkers and a wave of Mechanical Nightwalkers to obtain one of the generator keys.

Mission description

 * Intro
 * Find the first piece of the Generator Key. Check the map for its location.


 * Outro
 * SUCCESS!


 * Waves
 * 4 waves


 * Recommended weapons
 * Flamethrower, sniper rifles, and special weapons.